Math, asked by dodulbhowmick10, 7 months ago

cos20degree+cos100degree+cos 140degree

Answers

Answered by st3601188

1

Answer:

1

Step-by-step explanation:

the answer is 1 . we can change the degrees to equal to their sum.

Ex- 5+2+3=10 and 3+3+4=10

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