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› If tan A = 4/3, find sin A.
If tan A = 4/3, find sin A.
A
3/4
B
3/5
C
5/4
D
4/5
Answer & Solution
Correct answer: D. 4/5
tan A = opp/adj = 4/3, so opposite = 4, adjacent = 3. Hypotenuse = √(16 + 9) = 5. sin A = 4/5.
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