Question

Find the exact value of the expression.\\ $\sin (20^\circ) \cos (25^\circ) + \cos (20^\circ) \sin (25^\circ)$ 

          Find the exact value of the expression.\\
$\sin (20^\circ) \cos (25^\circ) + \cos (20^\circ) \sin (25^\circ)$
Find the exact value of the expression. sin (20^∘) cos (25^∘) + cos (20^∘) sin (25^∘)

Added by Richard P.

Close

Precalculus with Limits
Precalculus with Limits
Ron Larson 2nd Edition
AceChat toggle button
Close icon
Ace pointing down

Please give Ace some feedback

Your feedback will help us improve your experience

Thumb up icon Thumb down icon
Thanks for your feedback!
Profile picture
Find the exact value of the expression sin(20deg )cos(25deg )+cos(20deg )sin(25deg ) Find the exact value of the expression sin20cos25+cos20sin25
Close icon
Play audio
Feedback
Powered by NumerAI
Jennifer Stoner David Collins
Ivan Kochetkov verified

Ankit Singh and 84 other subject Precalculus educators are ready to help you.

Ask a new question
*

Labs

-

Want to see this concept in action?

NEW

Explore this concept interactively to see how it behaves as you change inputs.

View Labs
*

Key Concepts

-
Key Concept
Premium Feature
Explore the core concept behind this problem.
Play button
Key Concept
Premium Feature
Explore the core concept behind this problem.
Your browser does not support the video tag.
*

Recommended Videos

-
find-the-exact-value-of-the-expression-cosi-arccosi-36566

Find the exact value of the expression Cos^(-1) (arccos)

Ankit S.
value-of-an-expression-find-the-exact-value-of-the-expression-cot-leftsin-1-frac23right

Value of an Expression Find the exact value of the expression. $$ \cot \left(\sin ^{-1} \frac{2}{3}\right) $$

Precalculus Mathematics for Calculus

Trigonometric Functions: Right Triangle

Inverse Trigonometric Functions and Right Triangles

find-the-exact-value-of-the-expression-if-it-is-defined-tan-1left2-sin-fracpi3right

Find the exact value of the expression, if it is defined. $\tan ^{-1}\left(2 \sin \frac{\pi}{3}\right)$

Algebra and Trigonometry

Analytic Trigonometry

Inverse Trigonometric Functions
*

Recommended Textbooks

-
Precalculus with Limits

Precalculus with Limits

Ron Larson 2nd Edition
achievement 1,933 solutions
Precalculus

Precalculus

Robert Blitzer 5th Edition
achievement 1,335 solutions
Precalculus

Precalculus

Jay Abramson 1st Edition
achievement 1,039 solutions
*

Transcript

-
00:01 So in this problem we need to find exact values of the given expression and it is simply cos arc of cos one by four.
00:14 Now we know that that cost arc cost of x is x when x is like between minus 1 to 1.
00:28 Now we can see that 1 upon 4 belongs to minus 1 to 1 interval.
00:36 So this value with this formula we can write it as 1 upon 4 because its value is x.
00:43 This was r x so its value would be 1 upon 4...
Need help? Use Ace
Ace is your personal tutor. It breaks down any question with clear steps so you can learn.
Start Using Ace
Ace is your personal tutor for learning
Step-by-step explanations
Instant summaries
Summarize YouTube videos
Understand textbook images or PDFs
Study tools like quizzes and flashcards
Listen to your notes as a podcast
Continue solving this problem
Create a free account to:
  • View full step-by-step solution
  • Ask follow-up questions with Ace AI
  • Save progress and study later
Continue Free
Join the community

18,000,000+

Students on Numerade

Trusted by students at 8,000+ universities

Numerade

Get step-by-step video solution
from top educators

Continue with Clever
or



By creating an account, you agree to the Terms of Service and Privacy Policy
Already have an account? Log In

A free answer
just for you

Watch the video solution with this free unlock.

Numerade

Log in to watch this video
...and 100,000,000 more!


EMAIL

PASSWORD

OR
Continue with Clever