if sin∅ = x/y then cos ∅ is
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Answer:
sin theta = x/y then cos theta is y/x
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Step-by-step explanation:
Sin^2A - Cos^2A = 1
Cos^2A = Sin^2A -1
CosA = √Sin^2A-1
= √(X/Y)^2 -1
= √X^2-Y^2/Y^2
=(√X^2-Y^2)/Y
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