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anonymous
 5 years ago
2cos theta = sec theta.. what are they asking me to find?
anonymous
 5 years ago
2cos theta = sec theta.. what are they asking me to find?

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0\[2\cos\theta=\sec\theta\]

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0the exact values of the degree?

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.00 degree to 360 degree

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0\[2\cos{\theta}=\sec{\theta} \rightarrow 2\cos{\theta}=\frac{1}{\cos{\theta}}\]then\[2\cos^2{\theta}=1\]

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0\[\cos{\theta}={\pm}\frac{1}{\sqrt{2}}\]

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0Find all those angles theta that satisfy this.

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0θ = 45, 215, 135, 225

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0itsmesowat.. how'd you get the answers?

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0use your unit circle or other favorite method to get special angle values for consine...

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0use the calculator do [2nd] [cos] of the fraction 1/rad(2)

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0Draw a rightangled triangle with sides 1, 1 and hypotenuse sqrt(2). cos(theta)=1/sqrt(2) when theta = 45 degrees. In the second quadrant, 18045 = 135 degrees, in the third, 180+45 degrees = 225 and in the fourth, 36045 = 315 degrees/

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0you got everything lokisan said? you are a genius!!~~~~

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0lol tyler.. where'd you get 215 degrees?

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0215 is typo, should be 225, which is 180+45, reference angle of 135

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0sorry i suck at typing out math... they should introduce the white board on this haha

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0they have these equation thingys. it's built from mathjax

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0wait. how'd you get 1/sqrt of 2?

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.02cos^2(theta)=1. Divide both sides by 2, then take the sqrt of both sides.
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