Grade 11Trigonometry
sinAcosB+cosAsinB=sin(A+B)
sinAcosB+cosAsinB=sin(A+B)
1 Answer
SAGAR SINGH - IIT DELHI
Dear kiran,
This is a very general formula and if you want proof please refer to the link: http://www.euclideanspace.com/maths/geom…
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Sagar Singh
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