Math, asked by vasanthabalagurusamy, 9 months ago

-3π less than or equal to x less than or equal to 3π and cos =1​

Answers

Answered by raorangarao60
0

Answer:

-3π = < x = <3π

Cos 3π=

Is in second quadrant so cos3π =-1 *-1=1

Step-by-step explanation:

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