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How to find the value of sin(90+ theta) ?
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How to find the value of sin(90+ theta) ?
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Oct 23, 2017
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How to find the value of sin(90+ theta) ?
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Wsams
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sin(90 + θ)
By addition angle formula for sine.
sin90cosθ + cos90sinθ
1*cosθ + 0*sinθ
cosθ + 0
= cosθ
sin(90 + θ) = cosθ
Eugene Smoliy
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Oct 27, 2017
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Eugene Smoliy
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