Question

1. Give the values of x for sinx=-1/2 where o' ≤ x ≤ 360°: x₁ = and x₂ = ​

Answer 1

Sine is negative in III and IV quadrants. Now sin 30 1/2. Taking = 30, Sin (180+0) = sin (360-0): =- sin 0. So x = 210 degrees or 330 degrees

Explanation: