If θθθθ then the value of Cotθ is

is equal to

If x tan45° cos30° = sin30° cos45°, then x is equal to - 

Find the value of

If  θθθθ, then value of cotθ is:

If 4tanθ=3,the  value of θθθθ is:-

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

Find the value of (cosA - sinA)² + (cosA + sinA)²   -