If 1/(1 + cos
A) + 1/(1 - cos
Answers
Answered by
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.
Similar questions