Please help! Express 2sin3theta sin5theta as an algebraic sum:
a. cos8theta + cos2theta
b. cos8theta - cos2theta
c. -cos8theta - cos2theta
d. cos8theta + cos2theta

Question

Please help! Express 2sin3theta sin5theta as an algebraic sum:
a. cos8theta + cos2theta
b. cos8theta - cos2theta
c. -cos8theta - cos2theta
d. cos8theta + cos2theta

nottim · Answer

You've got tons of these questions eh

anonymous · Answer

? Not "tons".

anonymous · Answer

Can you help me though? So I can understand?

anonymous · Answer

You there? @NotTim

nottim · Answer

maybe If i re-learn this in 15 minutes?? ha...

anonymous · Answer

:( Thanks for looking at my post at least

nottim · Answer

if you'd like (don't do it often), call the higher leve lguys here by posting this here: @theirname And then specify your difficulty