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Verify that (sinx -cosx)^2=1-2sin(x)cos(x)
4 months ago
Q:
verify that (sinx -cosx)^2=1-2sin(x)cos(x)
Accepted Solution
A:
(sinx - cosx)^2 = (sinx)^2 + (cosx)^2 - 2sinxcosx = 1-2sinxcosx