3 tan square 26°- cosec square 64°
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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!
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!
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