CBSE > Class 11 > Mathematics | CBSE Board | Homework Help

Ask questions which are clear, concise and easy to understand.

Ask Question

Sin 765

Posted by Satyajit Dutta 8 months, 2 weeks ago

CBSE > Class 11 > Mathematics

1 answers

Akshat Tamboli 8 months, 2 weeks ago

We Write , =Sin 765° =Sin (720+45) =Sin (360×2+45) [Sin n×360°+Theta = Sin Theta] So, =Sin 45° =1/ROOT 2

1Thank You

ANSWER

If (x-iy)3=u+iv then show that u/x+v/y=4(X2+y2)

Posted by Ajeet Chaudhary 8 months, 2 weeks ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

The sum of the roots of equation 4cos³(π+x)-4cos²(π-x)+cos(π+x)-1=0 is in the interval [0,320] what is p

Posted by Bhavya Lenka 8 months, 2 weeks ago

CBSE > Class 11 > Mathematics

1 answers

Rishi Mass 8 months ago

I am told this question please send the answer

0Thank You

ANSWER

√1-2x+√1+2x=√1-2x/√1+2x+√1+2x/√1-2x no.of real solution of above equations is

Posted by Tanishka Pardeshi 8 months, 3 weeks ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

Tan theta - cot theta/sin theta.cos theta =sec square theta - cosec square theta

Posted by Manroop Kaur 9 months ago

CBSE > Class 11 > Mathematics

1 answers

Shivani Mhaisane 8 months, 3 weeks ago

0Thank You

ANSWER

27+3

Posted by Krishnapal Singh Chouhan 9 months ago

CBSE > Class 11 > Mathematics

4 answers

Nisha Dwivedi 4 months, 1 week ago

0Thank You

Tanvi Garg 7 months ago

0Thank You

Shibashis Saran 8 months, 4 weeks ago

2Thank You

Yashi Ranjan 9 months ago

1Thank You

ANSWER

A^3+B^3

Posted by Harsh Tej Gautam 9 months ago

CBSE > Class 11 > Mathematics

3 answers

D. Pallavi 8 months, 2 weeks ago

A^3+B^3+3A^2B+3AB^2

0Thank You

Neet Kaur 8 months, 3 weeks ago

(x+5) +(y-3)²=36

0Thank You

Ankit Class 9 months ago

(A+B)(A^2+B^2-AB)

0Thank You

ANSWER

Prove that sin^2π\18 + sin^2π\18 + sin^27π\18 +sin^28π\18 = 2

Posted by Saihaj Kaur 9 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

Prove that sin 10° sin 50° sin 60° sin 80° = 3/16

Posted by Saihaj Kaur 9 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

Prove that sin π\18 sin3π\18 sin5π\18 sin7π\18 = √3/16

Posted by Saihaj Kaur 9 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

A shopkeeper had 2685 greeting cards. He ordered 1500 more cards. If he sold 1248 cards in a week, how many cards are now in the shop?

Posted by Ashish Yadav 9 months ago

CBSE > Class 11 > Mathematics

1 answers

Yashi Ranjan 9 months ago

2937

0Thank You

ANSWER

Sumit and Kavita var watching a clock Kavita tell Sumit that every time the hours or minute and of this clock they sattended some angles at the centre

Posted by Akshit Singh 9 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

Prove that sinA.sin2A+sin3A.sin6A- tan5A SinA.cos2A.+sin3A.cos6A

Posted by Prerana Nag 9 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

If n(A)=3, n(B)c=2, what are the number of function from A and B

Posted by Pratham Ashitosh 9 months, 1 week ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

Which position of the ray is called initial side

Posted by Krithika Thilaka 8 months, 3 weeks ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

Sum of three terms which are in gp is 21 . Sum of square of the term is 189. Find the term.

Posted by Rampal Jhalaya 9 months, 1 week ago

CBSE > Class 11 > Mathematics

1 answers

Ananya Bansal 9 months, 1 week ago

0Thank You

ANSWER

If Sn denotes the sum ofterms of an a. P., then Sn+3

Posted by Tamil Gamers 9 months, 1 week ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

Miscellaneous of 3 chapter 6 question

Posted by Yash Jain 9 months, 1 week ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

Z=3. Complex into polar form

Posted by Mahesh C 9 months, 1 week ago

CBSE > Class 11 > Mathematics

1 answers

N. Pawan Kumar 9 months, 1 week ago

1Thank You

ANSWER

2x-3>=6

Posted by Mahesh C 9 months, 1 week ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

1dyne=

Posted by Shreyanshi Rao 9 months, 2 weeks ago

CBSE > Class 11 > Mathematics

2 answers

Kanchan Gadwal 9 months, 2 weeks ago

10^-5 N

0Thank You

Surya Narayanan 9 months, 2 weeks ago

10^-5

2Thank You

ANSWER

(a^2-b^)^3+(b^2-c^2)^3+(c^2-a^2)^3/(a-b)^3+(b-c)^3+(c-a)^3

Posted by Vipin Chahar 9 months, 2 weeks ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

a^2-b^[

Posted by Vipin Chahar 9 months, 2 weeks ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

The value of sin25+sin²10+.......sin²85+sin²90 is equal to

Posted by Monish Monish 9 months, 2 weeks ago

CBSE > Class 11 > Mathematics

2 answers

Ankit Class 9 months ago

0Thank You

Dattatrey Mangavati 9 months, 2 weeks ago

0Thank You

ANSWER

Two zero one

Posted by Maya Rani 9 months, 3 weeks ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

If A={3,6,9,12,15,18,21},B=(4,8,12,16,20}C={2,4,6,8,10,12,14,16,}D={5,10,15,20};find (i) A–B (ii) A–C (iii) A–D

Posted by Uday Basumatary 9 months, 3 weeks ago

CBSE > Class 11 > Mathematics

3 answers

Jehan Baria 9 months, 2 weeks ago

As usual in A-D={3,6,9,12,21}

1Thank You

Jehan Baria 9 months, 2 weeks ago

Same as in A-C ={3,6,9,15,21/}

1Thank You

Jehan Baria 9 months, 2 weeks ago

A-B used to say that , we have to remove all the elements of B from A . Such as B={4,8,12,16,20} Therefore , ans. Is A-B={3,6,9,15,18,21}

2Thank You

ANSWER

If A={ 1,2,3,4} B={3,4,5,6} and C={5,6,7,8} . Find A U B U C and draw the Venn diagram

Posted by Samarth Shet 9 months, 3 weeks ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

SinA×sin(B-c) +sinB×sin(c-A) +sinc×sin(A-B) =0

Posted by Moni Kumari 9 months, 3 weeks ago

CBSE > Class 11 > Mathematics

1 answers

Amit Kumar 9 months, 3 weeks ago

Multiply both side with 0

1Thank You

ANSWER

Convert 5π / 3 radian into degrees: (a) 200 (b) 300 (c) 250 (d) -300

Posted by Mannat Agnihotri 9 months, 4 weeks ago

CBSE > Class 11 > Mathematics

2 answers

Sabya Sarangi 9 months, 2 weeks ago

π= 180 5π/3 =5x180/3 =5x60 (180÷3 =60) =300 Answer is (b) I hope that helps ☺️

1Thank You

Shreejani P 9 months, 3 weeks ago

5*180/3 = 60*5= 300

1Thank You

ANSWER

The value of tan 20 * tan 40 * tan 80 is

Posted by Mannat Agnihotri 9 months, 4 weeks ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

Page 4 of 381

myCBSEguide

myCBSEguide

Test Generator

CUET Mock Tests

Download myCBSEguide App

All Courses

Other Websites

CBSE Courses

Resources

Corporate

NCERT Solutions

CBSE Sample Papers