Asked by Josh
Express the following as a single trigonometric ratio and then evaluate.
2sin pi/8 cos po/8
2sin pi/8 cos po/8
Answers
Answered by
oobleck
Recall your double-angle formula
sin(2x) = 2 sinx cosx
now crank it out
sin(2x) = 2 sinx cosx
now crank it out
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