prove tan(x/2) = 2+sinx+2cosx

asked by guest
on Oct 24, 2024 at 3:18 pm



You asked:

Prove or disprove that the equation $\tan{\left(\frac{x}{2} \right)} = 2 + \sin{\left(x \right)} + 2 \cos{\left(x \right)}$ is an identity.


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