Trigonometric Sum Identity
I understood the book soln but it goes about it in a very strange way by calculating the sin sum identity, tried to find a different soln but couldn't so can y'all come up with anything?

9 Replies
@Apu
@Apu
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to close the thread when your doubt is solved. Mention the users who helped you solve the doubt. This will be added to their stats.Is the ans -1
If it's not it's prolly my calc error, anyways take A=B=pi/4, now this was only intuition cause I thought about possible cases of the angles
But you'll get the right ans
Hopefully
It is
It's a way to save time in exam
ik but im trynna look for the way here lol
Isn't this a way too :')
Yea ig :0