wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

How many of the following relations are correct?

(1)1. Sin(A+B) = sinAcosB + cosAsinB

(2)2. cos(A-B) = CosAcosB - sinAsinB

(1)3. Tan (A-B) = tanAtanB1+tanAtanB

(2)4. Sin(A+B) (sin(A-B) = cos2Acos2B


__

Join BYJU'S Learning Program
CrossIcon