2 years ago

Sam has 3 pieces of candy she gives away 2 candy's how much does she have?

Mathematics

1 answer:

user100 [1]2 years ago

6 0

How she has left:

3 - 2 = 1

She has 1 candle left.

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3 years ago

Find the exact value of cos 120° in simplest form with a rational<br> denominator.

IRINA_888 [86]

Given:

cos 120°

To find:

The exact value of cos 120° in simplest form with a rational denominator.

Solution:

We have,

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It can be written as

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$\cos 120^\circ=-\sin 30^\circ$ $[\because \cos (90^\circ-\theta)=-\sin \theta]$

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2 years ago

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marusya05 [52]

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