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Mark the correct alternative in each of the following:In any ∆ABC, the value of 2acsinA-B+C2 is(a) a2+b2-c2 (b) c2+a2-b2 (c) b2-c2-a2 (d) c2-a2-b2 |
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Answer» Mark the correct alternative in each of the following: In any ∆ABC, the value of is (a) (b) (c) (d) |
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