4 years ago

Why is the derivative equals to 0?

Mathematics

1 answer:

Lisa [10]4 years ago

7 0

Answer:

see explanation

Step-by-step explanation:

Using the trigonometric identity

• tan²x + 1 = sec²x

⇒ tan²x - sec²x = - 1

Thus the derivative reduces to

$\frac{d}{dx}$ ( - 1 ) = 0

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