Home
Class 13
MATHS
[sin{(n+1)A}*sin{(n+2)h}+cos(n(n+1)A)*co...

[sin{(n+1)A}*sin{(n+2)h}+cos(n(n+1)A)*cos(n+2)A],[=cos A]

Promotional Banner

Similar Questions

Explore conceptually related problems

Prove that: sin(n+1)A sin(n+2)A+cos(n+1)A cos(n+2)A=cos A

Prove the following: sin[(n+1)A].sin[(n+2)A]+cos[(n+1)A].cos[(n+2)A]=cosA

sin (n + 1) A * sin (n + 2) A + cos (n + 1) A * cos (n + 2) A = cos A

Prove that: sin(n+1)As in(n+2)A+cos(+1)A cos(n+2)A=cos A

sin(n+1)xsin(n+2)x+cos(n+1)xcos(n+2)x=cosx

sin(n+1)xsin(n+2)x+cos(n+1)xcos(n+2)x=cosx

sin (n + 1) A * sin (n-1) A + cos (n + 1) A * cos (n-1) A = cos2A

sin (n +1) x sin (n +2) x + cos (n +1) x cos (n +2) x = cos x

sin (n +1) x sin (n +2) x + cos (n +1) x cos (n +2) x = cos x

sin (n +1) x sin (n +2) x + cos (n +1) x cos (n +2) x = cos x