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: Flex AI - Your personal assistant for all your inquiries!
Become a Member

Other questions asked by students

Finance
1.2K views

Here are some data on DCRB options as of May 14. Current stock price is $125.94,...

Physics
1.2K views

Early 20th-century physicist Niels Bohr modeled the hydrogen atom as an electron orbiting a proton in...

Physics
1.2K views

Assume a ball starts at (x, y) = (0.0 m, 0.0 m) with an initial velocity...

Physics
1.2K views

Show by direct computation that the impulse momentum theorem and the work-energy theorem are invariant under...

Biology
1.2K views

In chickens, black (B) and white (W) are co-dominant. The heterozygote results in an erminette...

Physics
1.2K views

An object that has __________ units of momentum must experience 100 units of impulse in...

Geometry
1.2K views

The cost of 500 000 worth of 30 year term life insurance for Rico is...

Accounting
1.2K views

i want to solve record the entries in software sage 50 . I do not...

Accounting
1.2K views

Please describe what the Statement of Cash Flow is for and the 3 components of...

Accounting
1.2K views

Question 8(1 point) Lab Corp. uses a standard cost system. Direct labour information for...

Accounting
1.2K views

Cross Country Campers, Inc., produces small lightweight camping trailers with rear kitchen facilities. The companys...

Finance
1.2K views

You are buying your first house for $200,000, and are paying 10% as a down...