If x cos²30⁰. sin60⁰= then the value of x : 

If 4sin² θ – 1 = 0 and angle θ is less than 90⁰. The value of cos² θ + tan² θ is:
(Take 0⁰ < θ < 90⁰) 

If tan α = 2, then the value of   αααα is : 

If 2sin² θ – 3 sin θ + 1 = 0,   θ being positive angle, then the values of θ are : 

The value of sec⁴ A (1 – sin⁴A) – 2tan²A is: 

The value of is:

If θθ, the value of secθ.tanθ=?

What is the value of is: