2 years ago

I just need help with this problem

Mathematics

1 answer:

Oksanka [162]2 years ago

7 0

+1/31 and -1/31
Hope this helps.

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777dan777 [17]

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kirill115 [55]

I'll assume those are squares. We know D is an identity:

$\sin^2 x + \cos ^2 x = 1$

Dividing through by $\sin ^2 x$

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That's A.

Dividing the original through by $\cos ^2 x$

$\tan^2 x + 1 = \sec^2 x$

Not quite B, wrong sign on tangent.

C has the wrong sign on cosine squared as well.

Identities: A & D

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vampirchik [111]

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bija089 [108]

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What least common multiple of 17 24 53?

BlackZzzverrR [31]

<span>The LCM is 21624..

Hope This Helps You!
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