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Questions and Answers
Which of the following is an identity in trigonometry?
Which of the following is an identity in trigonometry?
- sec(x) = 1/cos(x)
- sin^2(x) + cos^2(x) = 1 (correct)
- cot(x) = cos(x)/sin(x)
- tan(x) = sin(x)/cos(x)
Which trigonometric function is equal to the ratio of the adjacent side to the hypotenuse in a right triangle?
Which trigonometric function is equal to the ratio of the adjacent side to the hypotenuse in a right triangle?
- cot(x)
- tan(x)
- cos(x) (correct)
- sin(x)
What is the reciprocal of the sine function?
What is the reciprocal of the sine function?
- sec(x)
- cot(x)
- cosec(x) (correct)
- tan(x)
