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NotTim
 4 years ago
IF anyone is still awake: sin(7pi/12)+cos(pi/12)
NotTim
 4 years ago
IF anyone is still awake: sin(7pi/12)+cos(pi/12)

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NotTim
 4 years ago
Best ResponseYou've already chosen the best response.0I should know this, But erk.

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.07pi/12*180/pi pi/12*180/pi cos 15 + sin 105

NotTim
 4 years ago
Best ResponseYou've already chosen the best response.0Oops. Sorry. I did not clarify: Simplify the following. the final answer must be exact. However, it isn't necessary to rationalize the denominator.

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0use angle identites for cos (4530) and sin (60+45)

NotTim
 4 years ago
Best ResponseYou've already chosen the best response.0Sorry. I don't understand....

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0sincos sincos cos cos sin sin??

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0NotHello NotTim, sin(7pi/12) + cos(pi/12) cos(pi/2 + pi/12) + cos (pi/2)

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0NotSorry, sin(pi/2 + pi/12) + cos(pi/2)

NotTim
 4 years ago
Best ResponseYou've already chosen the best response.0Er, I still don't understand...

NotTim
 4 years ago
Best ResponseYou've already chosen the best response.0Wait. So am I doing the addition formula for both of them?

NotTim
 4 years ago
Best ResponseYou've already chosen the best response.0In that, I break both of them up?

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Don;t do it my way, it's only gonna make it more complicated I thought I would be able to reduce it to Zero but Zero isn't the answer... shinigam1m is right!

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0sin(105) + cos(15) sin(60 + 45) + cos(45  30) sin60cos45 + sin45cos60 + cos45cos30 + sin45sin30

NotTim
 4 years ago
Best ResponseYou've already chosen the best response.0I think I m suppose to keep it in radians.

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0keep it in radians then 45 = pi/4, 60 = pi/3 and 30=pi/6
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