Question

If 180° < θ < 270° and sin θ = $\frac{-4}{5}$, calculate sin($\frac{\theta}{2}$) and cos($\frac{\theta}{2}$).

Answer 1

Answer:the question is wrong!!

Sin is ratio of two sides therefore it can not be negative

Step-by-step explanation:AB/BC cannot be negative since one of the sides should be negative

But negative distances are not possible.

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