document.write( "Question 1014836: Which of the following is a trigonometric identity?
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document.write( "a. cot θ + tan θ = 1
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document.write( "b. sec^2 θ + csc^2 θ = 1
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document.write( "c. tan^2 θ = sin^2 θ x sec^2 θ
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document.write( "d. cos^2 θ = sec^2 θ x tan^2 θ
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