Math, asked by shrudhish, 1 year ago

3 tan square 26°- cosec square 64°

Answers

Answered by Anonymous
7
Hey Friend,

   3 tan^2 26 - cosec^2 64
= 3 cot^2 (90-26) - cosec^2 64            [cotA = tan (90 - A)]
= 3 cot^2 64  -  cosec^2 64
= 3 (-1)                                                [1 + cot^2A = cosec^2A]
= - 3

Hope it helps!
Similar questions