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Prove theorem 6.2

Posted by Hemant Sharma 6 years, 1 month ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

Cossec

Posted by Sanjay Verma 6 years, 1 month ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

Tan/1-tan - cot/1-cot =cos+sin/cos-sin

Posted by Manisha Saini 6 years, 1 month ago

CBSE > Class 10 > Mathematics

3 answers

Manisha Saini 6 years, 1 month ago

Thanks

꧁༒☬Sowndu ☬༒꧂??? ꧁༒????༒꧂??? 6 years, 1 month ago

You have always to convert the Tan and Cot in sin or cos

꧁༒☬Sowndu ☬༒꧂??? ꧁༒????༒꧂??? 6 years, 1 month ago

Hiii

ANSWER

Prove that tan theta upon 1 minus tan theta minus cot theta upon 1 minus cot theta equal to cos theta plus sin theta upon cos theta minus sin theta

Posted by Manisha Saini 6 years, 1 month ago

CBSE > Class 10 > Mathematics

1 answers

꧁༒☬Sowndu ☬༒꧂??? ꧁༒????༒꧂??? 6 years, 1 month ago

Hii

ANSWER

Find the ratio in which li

Posted by Shalini Tarway 6 years, 1 month ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

A circle touches the side BC of ∆ abc at P and the extended sides AB and AC at Q and R respectively . Prove that AQ= 1/2(AB+ BC+ CA )

Posted by Aayush Goyal 6 years, 1 month ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

My math in hindi but there is no option for hindi

Posted by Preet Amrit Singh 6 years, 1 month ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

as observed from the top of 75 metre high Lighthouse above the sea level, the angle of depression of two ships are 30 degree and 45 degree respectively if 16 is exactly behind the other on the same side of the Lighthouse and in the same straight line find the distance between two ships use root 3 equal to 1.732

Posted by Gaurav Chaurasiya 6 years, 1 month ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

A man standing on the deck of a ship which is 10 m above the water level observes the angle of elevation of the top of a hill as 60 and angle of depression of the base of the hill as 30. Find the distance of the hill from the ship and height of the hill.

Posted by Kartik Bansal 6 years, 1 month ago

CBSE > Class 10 > Mathematics

3 answers

Shekh Afsar 6 years, 1 month ago

Height is 30m and diatance is 10root3

Dr. Sanskari ?‍⚕️?‍⚕️ 6 years, 1 month ago

40 m

Prabal Das 6 years, 1 month ago

Google it

ANSWER

Class 10maths support material question no.50

Posted by Heena Bisht 6 years, 1 month ago

CBSE > Class 10 > Mathematics

1 answers

Pragati Jain 6 years, 1 month ago

Whose chapter

ANSWER

What will be real level of questions in maths basic as standard also come from ncert and badic also ncert so what will be real level is sample paper is harder or easy than coming board paper.

Posted by Sidddharth Tyagi 6 years, 1 month ago

CBSE > Class 10 > Mathematics

1 answers

Aman Kumar 6 years, 1 month ago

Medium

ANSWER

In the given figure ab is diameter of the circle find the value of angle ACD

Posted by Akash Gautam 6 years, 1 month ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

QR and PR equation. Q is 0 1 5 - 3 hour is X and 6

Posted by Nikhil Sharma 6 years, 1 month ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

Tan45 cos60 =sin60cot60

Posted by Nikka Randhawa 6 years, 1 month ago

CBSE > Class 10 > Mathematics

2 answers

Aadya Singh 6 years, 1 month ago

LHS - Tan 45 × cos 60 = 1×1/2 = 1/2
RHS - sin 60 × cot 60 = √3/2 × 1/√3 = 1/2 ..
LHS = RHS...So, it's prove..

Akash Gautam 6 years, 1 month ago

Mai bataoun

ANSWER

How can we identify f0,f1,f2 and l in mode formula

Posted by Rishabh Thakur 6 years, 1 month ago

CBSE > Class 10 > Mathematics

3 answers

Kashyap Anurag 6 years, 1 month ago

And l is the lower limit

Kashyap Anurag 6 years, 1 month ago

Biggest value is f1 and and its dowmward value is f2 and f1's upper value is f0

Jai Nanda 6 years, 1 month ago

F1

ANSWER

If -5 is a root of the quadratic equation 2x2 +px-15=0 and the quadratic equation p(x2+x)+k=0 has equal roots, find the value of k

Posted by Alka Sharma 6 years, 1 month ago

CBSE > Class 10 > Mathematics

2 answers

Rajat Bharti 6 years, 1 month ago

answer p=7 and k=7/4

Pragati Jain 6 years, 1 month ago

2*25-5p-15=0 50-15=5p 35/5=p P=7 Put eq^n 2 7x^2+7x+k=o D=o 49-28k=0 49/28=k 7/4=k

ANSWER

A carpenter cuts a wooden cone into three part A B and C by two planes parrallel to the base.

Posted by Aman Malik 6 years, 1 month ago

CBSE > Class 10 > Mathematics

1 answers

Prabal Das 6 years, 1 month ago

What should we do?

ANSWER

An airplane is approaching point A along a straight line and at a constant altitude h.At 10:00am, the angle of elevation of the airplane is 20° and at 10:01 am, it is 60°. What is the altitude 'h' of the airplane

Posted by Piyush Sahu 6 years, 1 month ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

Area of frustam

Posted by Sanjeet Kumar 6 years, 1 month ago

CBSE > Class 10 > Mathematics

6 answers

Vankit Vankit 6 years, 1 month ago

1/3πh(R2+r2+rR)

Aadya Singh 6 years, 1 month ago

CSA - πl( R+r)...

Aadya Singh 6 years, 1 month ago

*TSA ?‍♀

Aadya Singh 6 years, 1 month ago

CSA - πl(R + r) + π(R² + r² )

Aadya Singh 6 years, 1 month ago

Sorry...it's volume of frustum of cone..

Aadya Singh 6 years, 1 month ago

1/3πh ( R² + r² Rr)

ANSWER

272; 1032

Posted by Nijara Phukan 6 years, 1 month ago

CBSE > Class 10 > Mathematics

2 answers

Vankit Vankit 6 years, 1 month ago

What are you asking

Arsh Anuj 6 years, 1 month ago

What I have to do....?

ANSWER

Os ot mandatory to write question number woth black pen

Posted by Prabal Das 6 years, 1 month ago

CBSE > Class 10 > Mathematics

2 answers

??Geetha Sree ?? 6 years, 1 month ago

It depends on you. It isn't mandatory. But u can if u want.

Vankit Vankit 6 years, 1 month ago

No. It is not compulsory

ANSWER

x2+3x+2k zero polinomial

Posted by Ajaz Ahamed 6 years, 1 month ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

5x^2 - 2ax +(a^2-b^2)=0 by completing the square method

Posted by Singh Rahul 6 years, 1 month ago

CBSE > Class 10 > Mathematics

2 answers

Ajay ???? 6 years, 1 month ago

This method is not in syllabus

Vanaja Rajaraman 6 years, 1 month ago

Ak007

ANSWER

How this question slove

Posted by Anuj Paella 6 years, 1 month ago

CBSE > Class 10 > Mathematics

6 answers

Ansh Ika 6 years, 1 month ago

Ad ye achanak se change kse aaya

Singh Rahul 6 years, 1 month ago

5x^2 - 2ax + (a^2-b^2)=0

Dr.Ravi _♥️??? ....... 6 years, 1 month ago

What helps u need just ask whatever possible i will do.....but i think u urself more advanced knowledgeable

Ansh Ika 6 years, 1 month ago

U will help me? really why

Dr.Ravi _♥️??? ....... 6 years, 1 month ago

Kezia what helps or advice u need ask me ...

Ansh Ika 6 years, 1 month ago

Which question

ANSWER

19+23=

Posted by Ruby Sanger 6 years, 1 month ago

CBSE > Class 10 > Mathematics

12 answers

Ansh Ika 6 years, 1 month ago

Meri baat buri lge to bura manna

♛ ❝Ѕυнαɴα❞ ♛ 6 years, 1 month ago

???

Ansh Ika 6 years, 1 month ago

Remember my name..the next cbse india topper... ANSHIKA

Ansh Ika 6 years, 1 month ago

Sorry mje kisi ki weakness ka majak nhi udana chahiye...well answer is 42..sry bro

Ansh Ika 6 years, 1 month ago

Itni kamjoor?

Ruby Sanger 6 years, 1 month ago

Mathss kamjorr haaa thodiii?

Ansh Ika 6 years, 1 month ago

What's ur class miss or mister?

Deepika .. 6 years, 1 month ago

Merko shayd aata h ... Answer theek h kya mera ??

Ruby Sanger 6 years, 1 month ago

Kisiii koo nhii ataa kyaaa?

Deepika .. 6 years, 1 month ago

Shayd yhi answer h...mere tajurbe k hisab se ???baki iske liye to meko bhot pdhaiii krni pdegi??

Deepika .. 6 years, 1 month ago

42

Diksha ? 6 years, 1 month ago

Ni ata?

ANSWER

kyu naraz ho sb koi to kuch batao .kya kr diya hai mene kyu mere daath aesa?

Posted by ⚜??Brainly Buddy??⚜ 6 years, 1 month ago

CBSE > Class 10 > Mathematics

2 answers

Diksha ? 6 years, 1 month ago

Itna wierd kyu behave krte ho??

Diksha ? 6 years, 1 month ago

Hua kya?

ANSWER

What can possible remiander when x3+5x2+4x+6 is divided by x2+4

Posted by Abhi Mittal 6 years, 1 month ago

CBSE > Class 10 > Mathematics

1 answers

Shruti Gupta 6 years, 1 month ago

On solving it through long divison method, you get -14 as remainder.

ANSWER

If sin theta=1/2 show that 3 cos theta-4cos cube theta=0

Posted by Diya Parmar 6 years, 1 month ago

CBSE > Class 10 > Mathematics

1 answers

Aadya Singh 6 years, 1 month ago

Sin theta = 1/2
=> Sin theta = sin 30
=> theta = 30 ..
3 × cos 30 - 4× cos cube 30
=> 3× (√3/2) - 4(√3/2)³
=> 3√3/2 - 4 × 3√3/8
=> 3√3/2 - 3√3/2 => 0
Now, RHS = LHS...So, it's prove..

ANSWER

The greatest number which on dividing 1659 and 2036 leaves remainders 8 and 4 respectively

Posted by Farhan Akhtar 6 years, 1 month ago

CBSE > Class 10 > Mathematics

3 answers

Abhi Mittal 6 years, 1 month ago

127

Yogita Ingle 6 years, 1 month ago

Since,Remainders are 8 and 4

In the given question,

Greatest required number = H.C.F of (1659 - 8) and (2037 - 5)

= H.C.F of 1651 and 2032

= 127

Janvi Aggarwal 6 years, 1 month ago

Remainders are 8 and 4 1659-8=1651 2036-4=2032 HCF of 1651 and 2032 is 127 =>the greatest no. is 127

ANSWER

A boat goes 30km upstream and 44km downstream in 10hour .In 30hours it can go 40km upstream and 55km downstream .Determine the speed of the stream and that of the boat in still water.

Posted by Surjeet Saini 6 years, 1 month ago

CBSE > Class 10 > Mathematics

1 answers

Abhi Mittal 6 years, 1 month ago

Boat speed = 8km/h and stream speed=3km/h

ANSWER

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