Math, asked by ps710827, 1 year ago

3. cos 0 - cos 20 = sin 30

Answers

Answered by mustafaisal92

0

Answer:

3cos0=0

Step-by-step explanation:

cos 20=sin 30

cos 20 =1/2

Answered by manjulapulachintha

1

0.999865511=cos0 minus cos20

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