Trigonometry (1)

Geometry Level pending

In the following functions, the even function with π 2 \frac{\pi}{2} as its minimum period is

y = sin ⁡ 2 x + cos ⁡ 2 x y=\sin^{2}x+\cos2x y = sin ⁡ 2 x + cos ⁡ 2 x y=\sin2x+\cos2x y = sin ⁡ 2 x cos ⁡ 2 x y=\sin2x\cos2x y = sin ⁡ 2 2 x + cos ⁡ 2 2 x y=\sin^{2}2x+\cos^22x

A Former Brilliant Member by A Former Brilliant Member

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