Which of the following statement(s) is/are true?

If sin(x + y) = 1 and sin(x - y) = (1/2), then what is the value of sinx cosx + 2sin²y + cos²y? 

Simplify (cos13°+sin 13°) /(cos13°-sin13°)

If Sin 3A = Cos (A - 46°) where 3A is acute angle, then the Value of A is

Evaluate 3sin x – 4 sin³ x and figure out the correct answer from below option ?

If sin(x + y) = 3/5 and cos(x - y) = 12/13, where x, y ∈ [0, π/2], find sin(2x) + sin(2y).

Find the value of sin 240 ^°

What is the value of [tan² (90 – θ) – sin² (90 – θ)] cosec² (90 – θ) cot² (90 – θ)?