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14 cards from this deck
Trig identities, inverse functions, symmetry properties
Isolate the trigonometric function
Apply inverse functions or known values
Account for periodicity
Use identities as needed
Verify solutions within specified domain
sin2x+cos2x=1sin^2x + cos^2x = 1sin2x+cos2x=1
x = rac{pi}{6}, rac{5pi}{6}
(2cosx+1)(cosx−1)=0(2cos x + 1)(cos x - 1) = 0(2cosx+1)(cosx−1)=0
x = rac{2pi}{3}, rac{4pi}{3}
x=0x = 0x=0
Inverse functions, unit circle, trig identities
Geometry, physics, engineering contexts
Angles where trig functions have specific values
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