1.5.15 Trigonometric equations

Solve the equation

2\cos^2 x = \frac{1}{2}

for $0∘≤x≤360∘0^\circ \le x \le 360^\circ$ .

[4]

Solve the equation

2\cos^2 x = \frac{1}{2}

for $0∘≤x≤360∘0^\circ \le x \le 360^\circ$ .

[4]

1.5.15 Trigonometric equations Questions