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OpenStudy (anonymous):
Solve the equation 3 sin x + 3 = 0 sinx = -1 what's next??
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OpenStudy (bibby):
you can take the arcsin (sin^-1) of both sides and get the angle.-90
OpenStudy (anonymous):
why do you have to take the arcsin?
OpenStudy (bibby):
because they're inverse functions. kinda like how taking the square root of x^2 gives you x.
OpenStudy (anonymous):
oh okay, so if its -90 it should be 3pi/2 right?
OpenStudy (bibby):
in radians? Looks right.
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OpenStudy (anonymous):
thank you!!
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