Math, asked by santoshpandeymansi, 6 months ago

1 + cos A - cos B + cos C /1+ cosA + cos B - cos C = tan B/2 cot C /2

Answers

Answered by 311230

1

Answer:

1-cosA+cosB-cos(A+B)

1+cosA-cosB-cos(A+B)=tar

Step-by-step explanation:

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Answered by rajumalaji5050

3

Answer:

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