Math, asked by maths123456789, 1 year ago

how to derive cosine rule from sine rule​

Answers

Answered by Rohit65k0935Me
3

❤ HOLA MATE ❤

YOUR ANSWER ✔️✔️

→→To solve a triangle is to find the lengths of each of its sides and all its angles.←←

☆☞The sine rule is used when we are given either a) two angles and one side, or b) two sides and a non-included angle. The cosine rule is used when we are given either a) three sides or b) two sides and the included angle.☜☆

Thank you. ^_^

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