If cosec 39°= x, the value of is-

In the given figure BC=15 cm and Sin B=4/5.  then find out the value of AB?

If 0 ≤ θ ≤ 90⁰ and 4cos²θ - θ + 3 = 0, then the value of θ is : 

If then what is the value of Cot A?

If A and B are acute angles and Sec A =3; Cot B=4, then the value of is:

If cos θ + sin θ =m, sec θ + cosec θ =n, what is m/n?

In ΔABC θ is an acute angle and tanθ is equal to three times of cotθ. Find the value of θθθ.

If 1 + sin² A = 3 sin A cos A, then what are the possible values of tan A?