Asked by jennie
Solve each trig identity.
a) sec2(x) = [sec^2(x)]/[2 - sec^2(x)]
b) sec2(x) = [1 + tan^2(x)]/[1 - tan^2(x)]
c) [cot(x) - tan(x)]/[cot(x) + tan(x)] = cos2(x)
a) sec2(x) = [sec^2(x)]/[2 - sec^2(x)]
b) sec2(x) = [1 + tan^2(x)]/[1 - tan^2(x)]
c) [cot(x) - tan(x)]/[cot(x) + tan(x)] = cos2(x)
Answers
Answered by
oobleck
I did the ones using sin and cos
for these try using
sec^2(x) = 1 + tan^2(x)
or convert everything to sin(x) and cos(x) first
for these try using
sec^2(x) = 1 + tan^2(x)
or convert everything to sin(x) and cos(x) first
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