Math, asked by akash1630, 1 year ago

Find the values of
cos1140°

Answers

Answered by rajkumar707

3

Answer:

After every count of 360° we can consider the new angle from 0°

1140° = 360° x 3 + 60° = 1080° + 60°

1140° = 60°

cos1140° = cos60°

cos60° = 1/2

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