MediumIdentities

OpenStax, Algebra and Trigonometry 2e §9.1 Verifying Trigonometric Identities and Using Trigonometric Identities to Simplify Trigonometric Expressions · Exercise 10 · Trigonometry · Identities

Verifying Trigonometric Identities and Using Trigonometric Identities to Simplify Trigonometric Expressions · Exercise 10

Use the fundamental identities to fully simplify the expression.

$3 s i n^{3} t csc t + co s^{2} t + 2 cos (- t) cos t$

Its source prints no answer for this problem, so there's nothing to check against.

~8 minWritten answer · compare with the solution

OpenStax, Algebra and Trigonometry 2e · §9.1 Verifying Trigonometric Identities and Using Trigonometric Identities to Simplify Trigonometric Expressions · Exercise 10

Stuck? A gentle nudge

No hints for this one.

Something off?

Workspace

Your working

Check your full solution

Upload photos of your handwritten work or a PDF, and Lemma will read it and tell you whether it's right — and where it first goes wrong if not.