Question

TU LIL Vuuu
15. Solve the equation
2 tan-'(cos x)=tan
(2 cosec x)​

Answer 1

Answer:

Step-by-step explanation:

2 tan-'(cos x)=tan (2 cosec x)​

let 2 tan-'(cos x) = 2a

tan-'(cos x) =  a

cosx = tana

cosec x = 1/sinx = 1/√1-tan²a