Complete Trignometric Solution || Trignometric Function In English || Trignometric || Maths Guru || Maths Solution || Ncert Solution || Defence Exams Notes

Complete Trignometric Solution || Trignometric Function In English || Trignometric || Maths Guru || Maths Solution || Ncert Solution || Defence Exams Notes



              TRIGONOMETRY


   Sum and product formulae

You may recall that

sin( + B) = sin cos + cos sin B

sin( - B) = sin cos - cos sin B






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