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OpenStudy (anonymous):
Solve the equation sin (x° - 20°) = cos 42° for x, where 0 < x < 90 A. 62 B. 22 C. 68 D. 28
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OpenStudy (therealmeeeee):
ok cos(42)=sin(90-42)=sin(48) sin(x-20)=sin(48) x-20=48 x=48+20 x=68 degrees
OpenStudy (therealmeeeee):
this make sense
OpenStudy (anonymous):
yea kind of... thanks though
OpenStudy (therealmeeeee):
can u click best response
OpenStudy (therealmeeeee):
ty
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OpenStudy (anonymous):
lol np
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