# Trigonomtry

Sinusoidal means looking like a basic sine graph. By how many degrees do you have to shift sin x = y to the right to make it look like the graph of cos x = y? (Enter only the number of degrees.)

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1. 90

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2. Select all the true statements about the graphs of these two functions.
•h(x) = sin (x + ð/4)
•h(x) = cos (x - ð/4)
Ans:The sine function is shifted to the left by ð/4, while the cosine function is shifted to the right by ð/4.

The graphs of these two functions coincide.

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3. correct

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posted by Reiny
4. 21

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posted by jon

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