calculus | Mathematics | Page 1

ashen fern Oct 25, 2024, 1:22 AM

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why wouldn't the answer by negative infinity?

when cos approaches pi/2 on the right side, it will become like .00000001 which is divided from -2 and should be negative infinity right?

narrow heartBOT Oct 25, 2024, 1:22 AM

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lean forge Oct 25, 2024, 2:27 AM

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Do you remember your unit circle?

ashen fern Oct 25, 2024, 3:43 AM

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Yes i do!

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It should remain in the first quadrant right?

mellow gust Oct 25, 2024, 3:57 AM

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We approach from the right hand side

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So pi/2=90 deg

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So x approaches from the right hand side of 90 deg

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When x is greater than 90 by our unit circle we know cos is negative

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So the limit is positive inf

ashen fern Oct 25, 2024, 4:01 AM

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Ohhhh!!! I thought it meant like approach from the right side

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Like on the unit circle

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I didn’t think of it numerically! Thank you!

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.solve

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.solved

#calculus