Asked by Emily
Prove this identity. State any restrictions on the variables.
sin x/(tan x)= cos x
sin x/(tan x)= cos x
Answers
Answered by
TutorCat
tanx=?
http://www.mathwords.com/t/trig_identities.htm
also, what value(s) would be unacceptable in the denominator?
http://www.mathwords.com/t/trig_identities.htm
also, what value(s) would be unacceptable in the denominator?
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