In this lesson, we will learn how to evaluate reciprocal trigonometric functions at given values in both degrees and radians.

Students will be able to

Q1:

Use a calculator to find the value of sec130∘ to 3 significant figures.

Q2:

Which of the following trigonometric functions is positive at 120∘?

Q3:

Which of the following trigonometric functions is positive at 7𝜋6?

Nagwa uses cookies to ensure you get the best experience on our website. Learn more about our Privacy Policy.