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Question on image. (calculus)
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4 votes
Question on image. (calculus)

Question on image. (calculus)-example-1
User Book Of Zeus
by
2.5k points

1 Answer

3 votes

Answer:

D

Explanation:


\tan^(-1)((a)/(b))} is the angle on the right, so


\cos[\tan^(-1)((a)/(b))}]=(b)/(√(a^2+b^2))

That is D

User Gerardo Marset
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3.6k points
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