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Tpy6a [65]
2 years ago
15

(1 - cos ß)(1 + cos ß) =1/cosec^2(ß)

Mathematics
1 answer:
iVinArrow [24]2 years ago
5 0

Step-by-step explanation:

L.H.S=(1-cosB)(1+cosB)

=(1-cos^2B). {using (a+b) (a-b)=(a^2-b^2)in second step}

=sin^2B

=1/cosec^2B

Therefore,L.H.S=R.H.S proved

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Step-by-step explanation:

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2 years ago
Now find another real world example (it can be a similar range problem). Graph it on a number line, and then explain the minimum
Kaylis [27]

The real world example for the absolute value are to express the change in balance of account.

How to use absolute value in real world problem?

Absolute value in real world problem is used to express the change or variation from one point to another point. In the absolute value, the sign of the number is not consideredd.

Let a real world example-

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The real world example for the absolute value are to express the change in balance of account.

Learn more about absolute value in real world problem here:

brainly.com/question/2235065

#SPJ1

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