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\cos (x-10\deg )=(\sqrt(3))/(2)
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\cos (x-10\deg )=(\sqrt(3))/(2)

User AhmedWas
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1 Answer

6 votes

Answer:

40°

Explanation:


\cos (x-10\degree )= ( √(3) )/(2) \\ \\ \cos (x-10\degree )=\cos 30\degree \\ \\ x-10\degree = 30\degree \\ \\ x = 30\degree + 10\degree \\ \\ x = 40\degree

User Bbnn
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