Last Activity: 10 Years ago
Hello student, Please find the answer to your question belowsin242-sin284= (sin42-sin84)(sin42+sin84)use the following formulas :-SinC + SinD = 2Sin[(C+D)/2]Cos[(C-D)/2]SinC - SinD = 2Cos[(C+D)/2]Sin[(C-D)/2]
Prepraring for the competition made easy just by live online class.
Full Live Access
Study Material
Live Doubts Solving
Daily Class Assignments
Last Activity: 2 Years ago
Last Activity: 3 Years ago