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

sin(x+22)°=cos(2x−7)°

User Skirato
by
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1 Answer

4 votes
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
User Jason Maskell
by
6.2k points
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