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OpenStudy (anonymous):
sec(theta)-tan(theta)sin(theta)
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OpenStudy (anonymous):
simplify?
OpenStudy (anonymous):
yes
OpenStudy (anonymous):
Cos
OpenStudy (anonymous):
cos (theta)
OpenStudy (anonymous):
please explain
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OpenStudy (anonymous):
write everything in terms of sine and cosine
OpenStudy (anonymous):
sec(t) = 1/cos(t) tan(t) = sin(t) / cos (t) combine these two fractions and you'll get 1- sin^2(t) in the numerator. and that simplifies to cos^2(t). simplify the rest...
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