Trig! Need some help

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Trig! Need some help

Mathematics
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complete question please
i'm sorry?

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there are not enough numbers to figure out the answer it is not complete
I have an attachment :)
there are not enough numbers to figure out the answer it is not complete
there are not enough numbers to figure out the answer it is not complete
well i know tan 45 = 1 so i guess it's 45-45-90 triangle hhmmmm
I'm just curious what the sin/cos could be since tanB=1 and tan=sin/cos
well for 45-45-90 two legs would have the same length |dw:1443978946557:dw| you can use Pythagorean theorem to find 3rd one
If we have the value of one trig ratio, we can find the value of any other trig ratio :)
so how would we set it up? I'm a little confused
|dw:1443979245240:dw|
the triangle is correct! whats stopping you from finding cos B = adjacent side/ hypotenuse?
I got 1/sqrt(2) for cos for sin 1/sqrt(2). As for the measure of b in radians I got pi/4
faster than I thought! everything is correct :)
:D thanks just making sure it's been a while since i've done trig lol
know the other way to find sin and cos? or want to know?
\[\huge\rm rad= \frac{ \pi }{ 180 } \times \deg\] formula to convert rad to deg
\(\large \sec^2 x = 1+ \tan^2x \) you'll get sec x \(\Large \cos x = \dfrac{1}{\sec x}\) \(\sin^2 x+ \cos^2 x =1\)
i mean deg to rad
she is fast! she already converted 45 deg to pi/4 rad

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