Asked by Ayomide
Sin bica=cos 80(deggre)
Answers
Answered by
oobleck
bica? Do you mean beta or theta? Better brush up on your Greek letters
the co- in cosine means "of the complement"
so
cos80° = sin(90-80) = sin10°
the co- in cosine means "of the complement"
so
cos80° = sin(90-80) = sin10°
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