Math, asked by roy4095, 1 year ago

sina+cosa=7/5,sina×cosa=?​

Answers

Answered by ᎷíssGℓαмσƦσυs
1

question.......

Sina+cosa=7/5

sina×cosa=?

(Sina+cosa)²=49/25

sin²a+cos²a+2sina.cosa=49/25

1+2sina×cosa=49/25

2sina.cosa=49/25-1

sina×cosa=24/25×2

sina×cosa=12/25

this is your answer

please mark as brain list


roy4095: thank u
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