Q. 1 C4.1( 14 Votes )

Evaluate

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Answer :

By trigonometric identity, we can say

cosec (90° - θ) = sec θ


Replace θ by 59°.


We get


cosec (90° - 59°) = sec 59°


cosec 31° = sec 59°


Now, cosec 31° - sec 59° = sec 59° - sec 59°


cosec 31° - sec 59° = 0


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