Answer:
Welcome army.
Formula of Cos A
A = (b2 + c2 - a2)
cos A
Explanation:
a=(b2+c2_a2
hope is helpful
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Verified answer
Answer:
Welcome army.
Formula of Cos A
A = (b2 + c2 - a2)
Answer:
cos A
Explanation:
a=(b2+c2_a2
hope is helpful