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Assessment

What is the sine of 90 degrees?

100.5-1

Which of the following is an identity for the tangent function?

tan(x) = sin(x)/cos(x)tan(x) = cos(x)/sin(x)tan(x) = sec(x) * sin(x)tan(x) = 1/sin(x)

What is the cosine value of 0 degrees?

01-10.5