In Exercises 127 and 128, determine whether the statement is true or false. Justify your
Chapter 6, Problem 127(choose chapter or problem)
In Exercises 127 and 128, determine whether the statement is true or false. Justify your answer.
\(\sin \frac{x}{2}=-\sqrt{\frac{1-\cos x}{2}}, \quad \pi \leq x \leq 2 \pi\)
Text Transcription:
sin x/2 = − sqrt 1 − cos x / 2 , pi leq x leq 2 pi
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