Math, asked by SurahKumar1, 1 year ago

yadi cosA =3/5 and CosB =4/5 ho, find the value cos1/2 (A-B)

Answers

Answered by nova5

0

cos1/2(3/5-4'5)
cos1/2(3-4/5)
cos1/2*-1/5
cos-1/10

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