Asked by Amanda
Simplify the expression by using a Double-Angle Formula or a Half-Angle Formula.
Sqrt(1-cos50/2)
Sqrt(1-cos50/2)
Answers
Answered by
Steve
Recall your half-angle formulas:
sin(x) = sqrt((1-cos(2x))/2)
can you figure out what x is?
sin(x) = sqrt((1-cos(2x))/2)
can you figure out what x is?
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