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What is the value of
sin230∘+cos230∘? \sin^2 30 ^ \circ + \cos^2 30 ^\circ?sin230∘+cos230∘?
sin2π3+cos2π3? \sin^2 \dfrac{\pi}{3} + \cos^2 \dfrac{\pi}{3}? sin23π+cos23π?
If sinθ=13 \sin \theta = \frac { 1}{3} sinθ=31, what is the value of cos2θ \cos^2 \theta cos2θ?
If cosθ=32 \cos \theta = \frac {\sqrt{3}}{2} cosθ=23, what is the value of 1−sin2θ 1-\sin^2 \theta 1−sin2θ?
If tanθ=34 \tan \theta = \frac{3}{4}tanθ=43, what is the value of sin2θ+cos2θ\sin^2 \theta + \cos^2 \theta sin2θ+cos2θ?
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