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Find the exact value of sin(T pi/6) when sin(t)=1/3 and cos(t)=Rad8/3
 2 years ago
 2 years ago
Find the exact value of sin(T pi/6) when sin(t)=1/3 and cos(t)=Rad8/3
 2 years ago
 2 years ago

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amistre64Best ResponseYou've already chosen the best response.1
\[sin(a+b)=sin(a)cos(b)+sin(b)cos(a)\]
 2 years ago

amistre64Best ResponseYou've already chosen the best response.1
in this case: a = T and b = pi/6 but not sure if that fits too well
 2 years ago

amistre64Best ResponseYou've already chosen the best response.1
that might work, even with the funny looking decimal
 2 years ago

JoãoVitorMCBest ResponseYou've already chosen the best response.1
ops there is a error there i will correct that
 2 years ago

myininayaBest ResponseYou've already chosen the best response.0
what funny looking decimal?
 2 years ago

JoãoVitorMCBest ResponseYou've already chosen the best response.1
\[\sin(T  \pi/6) = \sin(T)\cos(\pi/6)\sin(\pi/6)\cos(T)\]\[\sqrt{3}/6  0,0232 = 0,2654\]
 2 years ago

Bellabambina223Best ResponseYou've already chosen the best response.0
so basically use the double angle formula?
 2 years ago

myininayaBest ResponseYou've already chosen the best response.0
\[\frac{1}{3} \cdot \frac{\sqrt{3}}{2}\frac{1}{2} \cdot \frac{\sqrt{8}}{3}\]
 2 years ago

Bellabambina223Best ResponseYou've already chosen the best response.0
oh did you get that from a chart myininaya?
 2 years ago

JoãoVitorMCBest ResponseYou've already chosen the best response.1
Remember that \[\sin(a \pm b)= \sin(a)\cos(b) \pm \sin(b)\cos(a)\]
 2 years ago

myininayaBest ResponseYou've already chosen the best response.0
yep bella \[\cos(\frac{\pi}{6})=\frac{\sqrt{3}}{2}; \sin(\frac{\pi}{6})=\frac{1}{2}\]
 2 years ago

amistre64Best ResponseYou've already chosen the best response.1
across the pond they use the "," as a "."
 2 years ago
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