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Asked by Janet

1) use the half-angle formulas to determine the exact values of the sine, cosine, and tangent of the angle.

67 degrees and 30'

Please explain!! I do not know how to start.
15 years ago

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Answered by Reiny
http://www.jiskha.com/display.cgi?id=1267478813
15 years ago
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1) use the half-angle formulas to determine the exact values of the sine, cosine, and tangent of the angle.

67 degrees and 30'

Please explain!! I do not know how to start.

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