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OpenStudy (anonymous):
Given tan theta=4/3 and sin (-4/5), find cos theta
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Parth (parthkohli):
Either draw a right angled triangle showing the same thing, or use a relation between sin, cos and tan.
OpenStudy (anonymous):
tan @ = opposite/adjacent sides ratio sin @ = opposite/hypotenuse sides ratio
jhonyy9 (jhonyy9):
the second date wann being sin theta = (-4/5) or what ?
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