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Mathematics
Abdullah Austin
12 May, 09:33
Is the formula sin2X+2sinX=0 valid?
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Leilani Odom
12 May, 12:05
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no is not valid because according to trig identities sin2x is 2sinxcosx
so 2sinxcosx+2sinx=2sinx (cosx+1)
Hopes this loves.
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