1.

If 2 sin²θ - 3 sin θ + 1 = 0, θ being positive acute angle, then the values of θ are:

A. 30°, 90°
B. 60°, 45°
C. 45°, 50°
D. 60°, 55°
Answer» B. 60°, 45°


Discussion

No Comment Found