if sin theta = 3/5 and theta is acute angle ,find :cos theta and tan theta
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As theta is acute every trigonometric value is positive !,
Sin^2 theta + cos^2 theta = 1 !
cos theta = ✓1-9/25 = 4/5,
Tan theta = sin/cos
= 3/5 / 4/5
= 3/4 !!
Sin^2 theta + cos^2 theta = 1 !
cos theta = ✓1-9/25 = 4/5,
Tan theta = sin/cos
= 3/5 / 4/5
= 3/4 !!
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