3 years ago

Please help 50 Points When will the boulder reach the ground?

Mathematics

1 answer:

satela [25.4K]3 years ago

7 0

Answer:god bless you❤️

Step-by-step explanation:

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Given:

cos 120°

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

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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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