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Mathematics 12 Online
OpenStudy (anonymous):

Given tan theta=4/3 and sin (-4/5), find cos theta

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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