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Sunday, October 23, 2016

Proofs of Derivative Trig. Functions





Proof: Derivative cot x = -csc^2 x


Proof: Derivative sec x = sec x tan x


Proof: Derivative csc x = -csc x cot x


Proof: Derivative cos x = -sin x


Proof: Derivative tan x = sec^2 x


Proof: Derivative sin x = cos x