Mathematics, 08.10.2019 18:50 whatsittoya4261
Verify the identities.
cos(4u) = cos^2(2u) - sin^2(2u)
[cot^2(x)/csc(x)+1] = {1-sin(x)/sin(x)]
sin(x+ pi/2)=cos(x)
plz .
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Verify the identities.
cos(4u) = cos^2(2u) - sin^2(2u)
[cot^2(x)/csc(x)+1] = {1-si...
cos(4u) = cos^2(2u) - sin^2(2u)
[cot^2(x)/csc(x)+1] = {1-si...
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