Question

solve tanx + secx = 2 cosx​

Answer 1

Step-by-step explanation:

1+sinx=2cos^2 x

1+sinx =2(1-sin^2 x)

2sin^2 x + sinx -1=0

(sinx+1)(sinx-1/2)=0

x=(4n+3)pi/2

x=npi+(-1)^n ( pi/6)