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If sin x = cos 50o, then x equals

Question 1 Report

If sin x = cos 50^o, then x equals

40^o

45^o

50^o

90^o

130^o

Answer Details

Since sin x = cos 90 - x for any angle x, we can write: sin x = cos (90 - x) Given sin x = cos 50°, we can substitute to get: cos (90 - x) = cos 50° Taking the inverse cosine of both sides, we get: 90 - x = 50° Solving for x, we get: x = 40° Therefore, the answer is option A: 40°.

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