8. Find the requested trig values for the given triangle. \sqrt{84} B (a) \sin A= \frac{4}{10} C 30 (b) \cot A= 4 60 (c) \cos B= 10 A (d) \csc B
Added by Antonia M.
Close
Step 1
Step 1: Given the triangle with sides a=4, b=20, and c=21, we can use the Pythagorean theorem to find the missing side: c^2 = a^2 + b^2 21^2 = 4^2 + 20^2 441 = 16 + 400 441 = 416 c = √441 c = 21 Show more…
Show all steps
Your feedback will help us improve your experience
Erika Bustos and 59 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 values of the trigonometric functions for the acute angle ̢. You can only use the symbols of b, c, and ̢. sin(̢) csc(̢) cos(̢) sec(̢) tan(̢) cot(̢)
Erika B.
Vandit T.
Recommended Textbooks
Introductory and Intermediate Algebra for College Students 4th
Prealgebra
Prealgebra and Introductory Algebra
Transcript
Watch the video solution with this free unlock.
EMAIL
PASSWORD