If sin²x - 2 cosx+ 1/4=0, the general solution x is

Cosecθ = 1/_

If tan θ = t, then the value of tan 2 θ  +  sec  2θ is.

tan(180-θ) = ____________

The general value of θ which satisfies tan θ = -1 and cos θ = 1/√2 the equations  is

tan 211^o =_______

If sec 4 θ - sec 2 θ = 2, the general value of θ is

The solutions set of the equation(2 cosx -1) (3+2 cosx ) =0 in the interval o ≤ r ≤ 2 Π is

If θ = 30^o find the value of sin²θ + cos²θ

Thevalue of 1^o× cos  2^o × cos  3^o ×  ... × cos  179^o  is.