sin x = cos (90 - x) for 0 < x < 90 degrees. so the answer will be cos (90 - x)
What is Sin function?
Complex exponential function definitions the sine and cosine functions are commonly used to model periodic phenomena such as sound and light waves
sin x when 0 degrees < x < 90 degrees
sin x = cos (90 - x) for 0 < x < 90 degrees.
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