Question

(cos a -cos3a )(sin8a+sin2a)/(sin5a-sina)(cos4a-cos6a)=?​

Answer 1

Step-by-step explanation:

(cos a -cos3a )(sin8a+sin2a)/(sin5a-sina)(cos4a-cos6a)

(cos a -cos3a )(sin8a+sin2a)/(sin5a-sina)(cos4a-cos6a)=?

Answer 2

Answer:

ur ANS is 1

Step-by-step explanation:

A clear explanation is given in the pic