Asked by Juliet
If cos theta = -sin theta,then sin^2 theta is what?
Answers
Answered by
Reiny
cosØ = -sin
cosØ/sinØ = -1
cotØ = -1
tanØ = -1, so Ø = 135 degrees
sin 135 = 1/√2
sin Ø = 1/√2
sin ^2 Ø = 1/2
cosØ/sinØ = -1
cotØ = -1
tanØ = -1, so Ø = 135 degrees
sin 135 = 1/√2
sin Ø = 1/√2
sin ^2 Ø = 1/2
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