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If z=3-5i then prove z cube -10zsquare +58z-136=0

Posted by Nitin Dodiya Dodiya 7 years, 4 months ago

CBSE > Class 11 > Mathematics

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If A+B+C=180 degree then show that samation Tan A= π(Tan A)

Posted by Suresh Kumar 7 years, 4 months ago

CBSE > Class 11 > Mathematics

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tanA+2tan2A+4tan4A+8tan8A16cot16A = cota

Posted by Avishek Singh 7 years, 4 months ago

CBSE > Class 11 > Mathematics

1 answers

Chaudhary Yash Phogat 7 years, 4 months ago

Hlw Avishek aapne jo question pucha hai shayad glat hai kyoki esme 16cot16A nhi aayega . I think ek baar aap check krr lejeye Aagar yeh ques. Kuch ess trha hoga TanA+2tan2A+4tan4A+8tan8A=cota Eska sol. Mujhe pta hai lekin aap ques. Check krr lejey ga plzzzz ☺️

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In sum of special series we will use sum of n terms formula why

Posted by Soumya Karadoni 7 years, 4 months ago

CBSE > Class 11 > Mathematics

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To prove That AUB UC, AU BUC

Posted by Solly Yadav 7 years, 4 months ago

CBSE > Class 11 > Mathematics

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If A+B=π\4 then prove that (tanA +tanB )=2

Posted by Sudeshna Pasayat 7 years, 4 months ago

CBSE > Class 11 > Mathematics

0 answers

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sin theta cos^3 theta - cos theta sin^3 theta is equal to

Posted by Samar Jay Singh Rajput 7 years, 4 months ago

CBSE > Class 11 > Mathematics

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Why 5^k-5 is a multiple of 5

Posted by Kartik Pundir 7 years, 4 months ago

CBSE > Class 11 > Mathematics

1 answers

Isha Bhardwaj 7 years, 4 months ago

Because for every value of k ....we get 5 as a common factor...

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Proove using PMI : 7 +77+777+.........+77......n digits ...77= 7[10ⁿ+¹ -9n -10]/81

Posted by Nitin Kumar 7 years, 4 months ago

CBSE > Class 11 > Mathematics

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Write the following sets in Roster form: (i) A = {an : n  N,an+1 = 3an and a1 = 2} (ii) B = {an : n  N, an+2 = an+1 + an, a1 = a2 = 1}

Posted by Anurag Mishra 7 years, 4 months ago

CBSE > Class 11 > Mathematics

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Write the set of all real numbers which cannot be written as the quotient of two integers in the set - builder form.

Posted by Anurag Mishra 7 years, 4 months ago

CBSE > Class 11 > Mathematics

2 answers

Anurag Mishra 7 years, 4 months ago

Plss

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Anurag Mishra 7 years, 4 months ago

Pls tell me the answer

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prove that tan theta/(1+tan^2 theta)^2+cot theta/(1+cot^2 theta)^2 =sin theta×cos theta

Posted by Sanika Pimple 7 years, 4 months ago

CBSE > Class 11 > Mathematics

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acosB-C/2=(b+c)cosB+C/2

Posted by Prayag Verma 7 years, 4 months ago

CBSE > Class 11 > Mathematics

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Write a roaster form ( x:x xcube X where X implies R

Posted by Ankit Shareen 7 years, 4 months ago

CBSE > Class 11 > Mathematics

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Prove that tan75+cot75=4

Posted by Anil Kumar 5 years, 8 months ago

CBSE > Class 11 > Mathematics

1 answers

Ashish Kumar 5 years, 8 months ago

Tan

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Sin theta c=n1/n2

Posted by Tushar Gupta 7 years, 4 months ago

CBSE > Class 11 > Mathematics

1 answers

Chirag Solanki 7 years, 4 months ago

given equation is topic of physics sin theta c = n₁/n₂

total internal reflection

when angle of refraction become 90 then angle of incident is known as critical angle ( C )

by applying snell's law at that point

n₁sin c = n₂sin 90

sin c = n₁/n₂

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Define degree

Posted by Jewel Anna Anil 7 years, 4 months ago

CBSE > Class 11 > Mathematics

1 answers

Shruti Chouhan 7 years, 4 months ago

In a right triangle 90 degree angle is divided into 90 parts and each part is known as degree

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Tan x =3

Posted by Anjali Sharma 7 years, 4 months ago

CBSE > Class 11 > Mathematics

1 answers

Abhay Singh Parihar 7 years, 4 months ago

Hiii

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276

Posted by Varsha Singh 5 years, 8 months ago

CBSE > Class 11 > Mathematics

1 answers

Aman Kumar 7 years, 4 months ago

What?!! 276??? ?

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Convert 4 radian into degree

Posted by Aman Pal 7 years, 4 months ago

CBSE > Class 11 > Mathematics

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Tan75 plus cot75

Posted by Dheeren Tulsiani 7 years, 4 months ago

CBSE > Class 11 > Mathematics

1 answers

Ujjawal Shakya 7 years, 4 months ago

Tan ( 90-15)+cot(90-15) Tan15+cot15 1/√3+√3 (√3+√3)/√3 (2√3)/√3 (2*3)/3 2 Answer is 2

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How many 4 letter words with or without meaning can be formed out of the letters of the Words LOGARITHMS if repetition of letters is not allowed?

Posted by Rana Ranveer Yadav Yadav 7 years, 4 months ago

CBSE > Class 11 > Mathematics

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CosA/a+cosB/b+cosC/c

Posted by Prince Arya 7 years, 4 months ago

CBSE > Class 11 > Mathematics

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Show that a real value of x will satisfy the equation : 1-ix/1+ix=a-ib if asquare+bsquare=1

Posted by Umang Singh 7 years, 4 months ago

CBSE > Class 11 > Mathematics

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3tan + 4√3tan +3=0

Posted by Pankaj Bhalekar 7 years, 4 months ago

CBSE > Class 11 > Mathematics

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The argument of the complex number -i

Posted by Nancy Rajput 7 years, 4 months ago

CBSE > Class 11 > Mathematics

2 answers

Nancy Rajput 7 years, 4 months ago

how you explain

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Amit Chauhan 7 years, 4 months ago

-135

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For any sets A and B, show that P( A intersection B)= P(A) union P(B)

Posted by Hitika Sharma 7 years, 4 months ago

CBSE > Class 11 > Mathematics

1 answers

Amit Chauhan 7 years, 4 months ago

Prove p(A insection B ) is subset of p( A union B) and p(A union B) is subset of (A intersection B)

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Sir, in maths how many chapter are coming in this year (2018-19)

Posted by Sharvan Sharma 7 years, 4 months ago

CBSE > Class 11 > Mathematics

2 answers

Ram Kashyap 7 years, 4 months ago

This year only 6 chapter are coming in 1st term

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Nancy Rajput 7 years, 4 months ago

in final exam whole book are coming

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If X and Y are two sets such that n (X) =17,n(Y) =23 and n (X U Y) =38, find n (X intersection Y).

Posted by Mukesh Kumar 7 years, 4 months ago

CBSE > Class 11 > Mathematics

5 answers

Deepu No 7 years, 4 months ago

Sorry who answer send by deepu is wrong the correct answer is 2

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Deepu No 7 years, 4 months ago

So X intersection Y is 12 by send by your friend deepu

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Shanaya Rajput 7 years, 4 months ago

n(A) +n(B) -n(AUB) = n(A interaction B)

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Amit Chauhan 7 years, 4 months ago

Its 2 by formulaa n(a) +n(b) = n(a union b) + n(a intersection b)...

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Nancy Rajput 7 years, 4 months ago

its 2

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If A and B are two sets then what is A- B implies

Posted by Anamika Gupta 7 years, 4 months ago

CBSE > Class 11 > Mathematics

2 answers

Shruti Chouhan 7 years, 4 months ago

Term which are present in A but not in B eg: A={2,3,4,5} B={2,4,6,7} A-B={3,5}.

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Harshal Patel 7 years, 4 months ago

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