Math, asked by jahan9874, 9 months ago

If 1/(1 + cos
A) + 1/(1 ­- cos

Answers

Answered by Anonymous
0

Step-by-step explanation:

Solution:-

( 1 + cosA) ( 1 - Cos A) × Cosec^2A = k

=> ( 1 - Cos^2A) × Cosec^2A

=> Sin^2A × Cosec^2A

=> Sin^2A × 1/ Sin^2A

=> 1.

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