We need to verify the given identity sin 2 ⁡ x 2 + cos ⁡ x = cos 2 ⁡ x 2

sin 2 ⁡ x 2 + cos ⁡ x = sin 2 ⁡ x 2 + cos 2 ⁡ x 2 − sin 2 ⁡ x 2 = cos 2 ⁡ x 2

Expert Answer to "We need to verify the given identity sin..."

Dario Meza

2022-11-27

We need to verify the given identity

\sin^{2} \frac{x}{2} + \cos x = \cos^{2} \frac{x}{2}

otorisasiany

Beginner2022-11-28Added 11 answers

\sin^{2} \frac{x}{2} + \cos x = \sin^{2} \frac{x}{2} + \cos^{2} \frac{x}{2} - \sin^{2} \frac{x}{2} = \cos^{2} \frac{x}{2}

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