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How do i work out sinx+2sinxcosx=0 in radians?
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Oct 24, 2017
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How do i work out sinx+2sinxcosx=0 in radians?
Mathematics
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HaltingState
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First factor out a sin(x)
Now you can split it into factors, where each factor = 0 and solve them separately.
You can use the unit circle to find the appropriate angles:(attached)
sin x = 0 when
cos x = -1/2 when
WKordos
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Oct 28, 2017
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WKordos
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