[" 2.If "sin alpha=(15)/(53)" and "sin b...

[" 2.If "sin alpha=(15)/(53)" and "sin beta=(33)/(65)" ,find the values of sinte "+beta)," cost(a- "beta)],[" 3.If "sin alpha=(15)/(17)" and "cos beta=(12)/(13)" ,find the values of "sin(alpha+beta),cos(alpha-beta)],[" 3.If "sin alpha=(15)/(17)" and "cos beta=(12)/(13)" ,find the values of "sin(alpha+beta)" ,"],[" and "tan(alpha+beta)" .Verify by a graph and necurate meanurement."F" ) "]

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