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What is the value of x in the equation : sin 40 = cos (x)

What is the value of x in the equation : sin 40 = cos (x)
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What is the value of x in the equation : sin 40 = cos (x)

User Lamesha
by
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1 Answer

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Answer
Since sin x= cos (90- x)
Sin40=cos(90-40)
Sin 40=cos 50
X=50
User Ilya Novojilov
by
7.8k points
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