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2 years ago

ILL GIVE YOU BRAINLYIST

Mathematics

2 answers:

Vladimir79 [104]2 years ago

7 0

Explanation:

If it's the top numbers, it's 55 degrees.

Bottom is 125 degree angle.

lidiya [134]2 years ago

4 0

I agree as well the top is 55 degrees and the bottom is 125 degrees have a great day

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maks197457 [2]

Answer:

See below

Step-by-step explanation:

We want to prove that

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Taking the RHS, note

$\dfrac{1}{\cos(x)} - \cos(x) = \dfrac{1}{\cos(x)} - \dfrac{\cos(x) \cos(x)}{\cos(x)} = \dfrac{1-\cos^2(x)}{\cos(x)}$

Remember that

$\sin^2(x) + \cos^2(x) =1 \implies 1- \cos^2(x) =\sin^2(x)$

Therefore,

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Once

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3 years ago

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erastovalidia [21]

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Step-by-step explanation:

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3 years ago

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ddd [48]

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3 years ago

Need more help please!!

IrinaK [193]

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