Math, asked by ramadevi71980, 6 months ago

the value of cos alpha​

Answers

Answered by bhavana17203
0

Sorry there is no question......

Answered by Anonymous
1

Answer:

cos(alpha)= (9^2+6^2–15^2)/(2×9×6). Thus, cos(alpha)=-2/27. PS refer the cosine rule from the internet.

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