Question

8 sin2 x+ 3cos 2x= 5= cot x​

Answer 1

Answer:

x=90

Step-by-step explanation:

if we put x= 90

Lhs 8sin2x+cos2x

rhs 5

it can easily get

8 sin2*90+3cos2*90

8 sin 180+3 cos 180

8-3

5

lhs=rhs