Find the exact value of each expression using identities.
Added by Sonia B.
Step 1
However, here are some common identities that may be useful: - Pythagorean identities: sin^2(x) + cos^2(x) = 1 and tan^2(x) + 1 = sec^2(x) and 1 + cot^2(x) = csc^2(x) - Sum and difference identities: sin(x ± y) = sin(x)cos(y) ± cos(x)sin(y) and cos(x ± y) = Show more…
Show all steps
Close
Your feedback will help us improve your experience
Varsha Aggarwal and 68 other Algebra and Trigonometry educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
Find the exact value of each expression.
Analytic Trigonometry
The Inverse Sine, Cosine, and Tangent Functions
Find the exact value of each variable (NO TRIG):
Dr Harish V.
Use identities to find each exact value. $$\sin \frac{\pi}{12}$$
Steven C.
Recommended Textbooks
Introductory and Intermediate Algebra for College Students 4th
Prealgebra
Prealgebra and Introductory Algebra
Watch the video solution with this free unlock.
EMAIL
PASSWORD