jhosami46311
22.07.2019 •
Mathematics
Verify that (sinx -cosx)^2=1-2sin(x)cos(x)
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Ответ:
See below.
Step-by-step explanation:
Left side = (sinx -cosx)^2 = sin^2 x + cos^2x - 2sinx cosx
Now sin^2 x + cos^2 x = 1 so we have:
1 - 2 sinx cosx = right side.
Ответ: