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iris [78.8K]
2 years ago
15

What is the value of y in the product of powers below? 8^3x8^-5x8^y=8^-2=1/8^2​

Mathematics
1 answer:
Ber [7]2 years ago
4 0
The answer is y=207 hope this helps
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Answer:

See below

Step-by-step explanation:

\frac{1}{1-cos A} - \frac{1}{1+cos A} =2 cosec A cot A \\  \\ L. H. S.= \frac{1}{1-cos A} - \frac{1}{1+cos A} \\  \\ = \frac{1+cos A - (1 - cos A)}{(1-cos A)(1+cos A)}\\  \\ = \frac{1+cos A - 1  +  cos A}{1-cos^{2}  A}\\  \\ = \frac{2cos A }{sin^{2}  A}\\  \\ =2 .\frac{1}{sin A}.\frac{cos A }{sin  A}.\\  \\  = 2.cosec \: A.cot \: A \\  \\  = R.H.S

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2 years ago
I need help please, I will give brainliest to the first person that answers. Also extra points.
Papessa [141]

Answer:

B)

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Step-by-step explanation:

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<em>Have a nice April Fool's XD.</em>

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