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12 questions from this quiz
All values of xxx in specified domain
Identities, inverse functions, symmetry
Isolate the trigonometric function
sinโกโ1,cosโกโ1,tanโกโ1\sin^{-1}, \cos^{-1}, \tan^{-1}sinโ1,cosโ1,tanโ1
Periodicity of the trig function
sinโก2x+cosโก2x=1\sin^2x + \cos^2x = 1sin2x+cos2x=1
Verify solutions in specified domain
ฯ6,5ฯ6\frac{\pi}{6}, \frac{5\pi}{6}6ฯโ,65ฯโ
The unit circle
(2cosโกx+1)(cosโกxโ1)=0(2\cos x + 1)(\cos x - 1) = 0(2cosx+1)(cosxโ1)=0
2ฯ3,4ฯ3\frac{2\pi}{3}, \frac{4\pi}{3}32ฯโ,34ฯโ
0,2ฯ3,4ฯ30, \frac{2\pi}{3}, \frac{4\pi}{3}0,32ฯโ,34ฯโ
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