Question

please send me answer ​

Answer 1

Answer:

LHS=

cos

2

θ

3−4sin

2

θ

3sec

2

θ−4tan

2

θ

3(1+tan

2

θ)−4tan

2

θ

3+3tan

2

θ−4tan

2

θ

3−tan

2

θ=RHS