Examine the system of equations. Which is an equivalent form of the first equation that when added to the second equation elimin
1 answer:
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You can actually use either the product rule or the chain rule for this one. Observe:
• Method I:
y = cos² x
y = cos x · cos x
Differentiate it by applying the product rule:
The derivative of cos x is – sin x. So you have
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• Method II:
You can also treat y as a composite function:
and then, differentiate y by applying the chain rule:
For that first derivative with respect to u, just use the power rule, then you have
and then you get the same answer:
I hope this helps. =)
Tags: <em>derivative chain rule product rule composite function trigonometric trig squared cosine cos differential integral calculus</em>
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You can actually use either the product rule or the chain rule for this one. Observe:
• Method I:
y = cos² x
y = cos x · cos x
Differentiate it by applying the product rule:
The derivative of cos x is – sin x. So you have
—————
• Method II:
You can also treat y as a composite function:
and then, differentiate y by applying the chain rule:
For that first derivative with respect to u, just use the power rule, then you have
and then you get the same answer:
I hope this helps. =)
Tags: <em>derivative chain rule product rule composite function trigonometric trig squared cosine cos differential integral calculus</em>
Answer: The correct answer is -2,5/2 which is the last answer.
Step-by-step explanation:
* Hopefully the work below helps:)Mark me the brainliest:)!!
