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10. Sine and Cosine Formulae and their Applications
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Q7 of 87 Page 10

Mark the Correct alternative in the following:

In any ∆ABC, the value of 2ac is



A+B+C=180°






But We Know,



So the equation will be,



a2+c2-b2 = c2+a2-b2


Option B

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Questions · 87
10. Sine and Cosine Formulae and their Applications
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