Guest

Question no. 14. Of this image....please give the answer as soon as possible

Question no. 14. Of this image....please give the answer as soon as possible

Question Image
Grade:10

1 Answers

Arun
25750 Points
6 years ago
as sec\theta = cos2\theta
thus 1/cos\theta = cos2\theta
cos3\theta= 1
cos\theta=1
hence sin\theta=0 for all \theta
hence sin4\theta+2sin3\theta+sin2\theta = 0+0+0
= 0
 answer will be 0

Think You Can Provide A Better Answer ?

ASK QUESTION

Get your questions answered by the expert for free