CBSE Class 11-science - Sum and Difference Formulae Videos
Deriving addition, subtraction formulae of trigonometric angles
Derive the formula of sin A +/- sin B, cos A +/- cos B and 2sinxcosy, 2sinxsiny, 2cosxcosy, 2cosxsiny and their application in simplifying the identities.
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Concept of Negative and Positive Angles
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Trigonometric identities and problems
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Fundamental trigonometric identities and related pro ...
- Sin(x)/√2+cos(x)/√2=√3/2
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Please solve 41 st question
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if tan(pie/4+teta)+tan(pie/4-teta)=3
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A+B=360° tanA+tanB/1-tanA tanB
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pls clear the doubt, dear sir/ madam
- If A+B+C=π then prove that Cos^A+Cos^B+Cos^C=1-2CosA.CosB.CosC
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plzz explain how to solve it with the solution
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Pls answer the attached questions ASAP
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Pls solve it.
