Math, asked by ykanishk222, 11 months ago

Find the value of Cos120° step by step

Answers

Answered by Ruhi584

2

Cos120°

=Cos(180-60)

=-Cos 60

=-1/2

Answered by ItzKrinna

1

Step-by-step explanation:

Answer:

HELLO DEAR☺️

cos120

=cos(90+30)

=-sin(30)

= -½

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