2 years ago

What is the value of x? sin(x+22)°=cos(2x−7)°

1 answer:

5 0

Remember that $\sin(\theta) = \cos(90^\circ - \theta)$

Thus, we can solve for x.
x + 22 = 90 - (2x - 7)
x + 22 = 97 - 2x
3x + 22 = 97
3x = 75
x = 25

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