Sin A=4/5 cos A Ka maan Hoga
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SinA = 4/5 = P/H
According to Pythagoras Theorem
(B)² = (H)² - (P)²
=> B² = 5² - 4²
=> B² = 25 - 16
=> B² = 9
=> B = 3 units
Therefore CosA = B/H
= 3/5
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Answered by
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Answer:
3/5
Step-by-step explanation:
sin A = 4/5
sin = P/H
by Pythagoras theorem
Base = 3
cos A = 3/5
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