1/sec(x) in derivative?

Marin Mills

Marin Mills

Answered question

2023-03-28

1 sec ( x ) in derivative?

Answer & Explanation

Deegan Randall

Deegan Randall

Beginner2023-03-29Added 4 answers

In the event that you need the derivative of 1 sec ( x )
making use of the trigonometric identity
x cos x = 1 sec x
d d x ( cos x ) = - sin x standard derivative

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