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myininayaBest ResponseYou've already chosen the best response.3
i think expanding both of those things might help
 2 years ago

sam_unleashedBest ResponseYou've already chosen the best response.1
use ... sin(a=b)= sin(a)cos(b) +cos(a)sin(b) and sin(ab)= sin(a)cos(b) cos(a)sin(b)
 2 years ago

Hannah_AhnBest ResponseYou've already chosen the best response.0
all i know is that i will have to use addition indentities.
 2 years ago

myininayaBest ResponseYou've already chosen the best response.3
\[[\sin(\frac{\pi}{4})\cos(x)+\sin(x)\cos(\frac{\pi}{4})]+[\sin(\frac{\pi}{4})\cos(x)\sin(x)\cos(\frac{\pi}{4})]\]
 2 years ago

myininayaBest ResponseYou've already chosen the best response.3
\[\frac{\sqrt{2}}{2} \cos(x)+\sin(x) \frac{\sqrt{2}}{2}+\frac{\sqrt{2}}{2}\cos(x)\sin(x)\frac{\sqrt{2}}{2}\]
 2 years ago

myininayaBest ResponseYou've already chosen the best response.3
combine like terms and you will be done
 2 years ago

sam_unleashedBest ResponseYou've already chosen the best response.1
its 2sin(a)cos(b)....now plug valus.....(2/\[\sqrt{2}\] ) sinx
 2 years ago

sam_unleashedBest ResponseYou've already chosen the best response.1
\[\sqrt{2}\] sin x
 2 years ago

Hannah_AhnBest ResponseYou've already chosen the best response.0
you rock myininaya!!! thank you so much!!! and i appreciate your work and help Sam_unleashed! :)
 2 years ago
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