3 Questions
Which of the following is the reciprocal of sec(x)?
cot(x)
Which of the following is NOT a trigonometric identity?
cos(2x) = 2cos^2(x) - 1
Which of the following is NOT a Pythagorean identity?
sin(x) + cos(x) = 1
Test your knowledge of trigonometric identities with this quiz. Identify which of the given options is not a trigonometric identity, determine the reciprocal of sec(x), and identify the option that is not a Pythagorean identity.
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