Prove: cosec.A- 2 col2A COSA = 2 si...
Question
Fullscreen

Prove: cosec.A- 2 col2A COSA = 2 sinA.

JEE/Engineering Exams
Maths
Solution
129
Rating
4.0 (1 ratings)
Fullscreen
( operatorname{cosec} A-2 cot 2 A cos A ) ( Rightarrow frac{1}{sin A} cdot frac{2 cos 2 A}{x sin A cos A} cos A ) ( Rightarrow quad frac{1-cos 2 A}{sin A} ) ( Rightarrow quad frac{1-left(1-2 sin ^{2} Aright)}{sin A} ) ( 2 sin ^{2} A / sin A=2 sin A=R+1 S ) Ple sine rating alse.
Quick and Stepwise Solutions Just click and Send Download App OVER 20 LAKH QUESTIONS ANSWERED Download App for Free