Question

(a) Solve for x: 4sin2(x - 10°) - cos0º = 2, where 0° < x < 90°​

Answer 1

Answer:

x = (sin⁻¹(3/4) + 10)/2

Step-by-step explanation:

4sin 2(x-10) - 1 = 2

sin 2(x-10) = 3/4

taking sin⁻¹ on both sides (since range of x is given, we will get a unique value)

x = (sin⁻¹(3/4) + 10)/2