Solve for θ: \({\cos ^2}\theta - {\sin ^2}\theta = \frac{1}{2}\), 0 – McqOptions

MCQOPTIONS

1.	Solve for θ: \({\cos ^2}\theta - {\sin ^2}\theta = \frac{1}{2}\), 0
A.	40°
B.	30°
C.	60°
D.	45°
Answer» C. 60°

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