Logo
Home Study Material Contact Search
AI Chat FREE
  1. mathematics
  2. basic math
  3. given that sin a = 2/7 and cos b =-(1/4) and a and

Given that sin a = 2/7 and cos b =-(1/4) and a and b are...

50.1K

Verified Solution

Question

Basic Math

image

Given that sin a = 2/7 and cos b =-(1/4) and a and b are in the interval (?/2, ?), find sin(a + b) and cos (a - b).Give the exact answers. To enter the square root of a number, type "sqrt(a)". For example, type "sqrt(2)" to enter ?2.sin(a + b) =cos (a - b) =

Answer & Explanation Solved by verified expert
Get Answers to Unlimited Questions

Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!

Membership Benefits:
  • Unlimited Question Access with detailed Answers
  • Zin AI - 3 Million Words
  • 10 Dall-E 3 Images
  • 20 Plot Generations
  • Conversation with Dialogue Memory
  • No Ads, Ever!
  • Access to Our Best AI Platform: Zin AI - Your personal assistant for all your inquiries!
Become a Member

Other questions asked by students

Q

TC Which inverse functions are equal to 4 Select one or more a arcsin 3...

Geometry
Q

According to Aristotle, if we’re not motivated by something of intrinsic value, our choices are irrational....

Psychology
Q

1. Radio talk show host Michael Savage: \"80% of Americans are against the Democrats' health care...

Psychology
Q

1. Select 3 materials that you think are best for the design of a smart phone...

Mechanical Engineering
Q

gure shows two concentric loops of radii r and r2 Mutual inductance of the arrangement...

Physics
Q

A certain race is a distance of 32 furlongs How far is the race in...

Statistics
Q

Evaluate: 5 (2a + 7b) - 12 (b - 3a), when a = 2 and...

Algebra
Q

9. (TCO 6) If an asset costs $210,000 and is expected to have a $30,000...

Accounting
Q

Navern Corporation manufactures and sells custom home elevators. From the time an order is placed...

Accounting
Q

You are considering investing in a project with the following possible outcomes: Calculate the expected...

Finance
Q

Futura Company purchases the 80,000 starters that it installs in its standard line of farm...

Accounting
Q

can yoh show me how to do this in excel. All cells inserted properly ...

Finance