What is

Find the value of sin 240 ^°

If (tan 8θ · tan 2θ = 1), then find the value of (tan 10θ).

If 4sin² θ = 3(1+ cos θ), 0° < θ < 90°, then what is the value of (2tan θ + 4sinθ - secθ)?

sin² 7˚ + sin² 9˚ + sin² 11˚ + sin² 12˚ + ……… + sin² 83˚ = ?

If 2sin y + cos y = √3 sin y, then find the value of tan y

What is the simplified value of the given expression?

3(sin² 30° + sin² 60°) + 6sin 45° - (3sec 60° + cot 45°)

If cosB = sin(1.5B - 15°), then find the measure of 'B'.

Suppose 140sin²X + 124cos²X = 136 and 184sin²Y + 200cos²Y = 196, then determine the value of 18cosec²Xsec²Y.