Question

Find two angles (in radians) whose sine ratio is...

Answer 1

Hi there!

$\large\boxed{\frac{\pi}{3} \text{ and } \frac{2\pi}{3}}$

From the unit circle, we can locate the two values of sine Ф (y-value of the coordinate)  at which sin Ф = √3/2.

The two values are Ф = π/3 and 2π/3.