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4sinA.sinB.sinC/(4sinA/2.sinB/2.sinC/2=8cosA/2.cosB/2.cosC/2

4sinA.sinB.sinC/(4sinA/2.sinB/2.sinC/2=8cosA/2.cosB/2.cosC/2

Grade:11

1 Answers

Nandita sinha
13 Points
5 years ago
LHS=4si

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