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If A+B+C=0, then value of ∣∣∣∣1cosCcosBcosC1cosAcosBcosA1∣∣∣∣ is |
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Answer» If A+B+C=0, then value of ∣∣ ∣∣1cosCcosBcosC1cosAcosBcosA1∣∣ ∣∣ is |
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