Question: Suppose A and B are angles in standard position with sin(A)= 4/5 and sin(B)=-1/3 . Find the exact value of cos(A + B) if

Suppose A and B are angles in standard position with sin(A)= 4/5

Suppose A and B are angles in standard position with sin(A)= 4/5 and sin(B)=-1/3 . Find the exact value of cos(A + B) if A is in Q2 and B is in Q3.

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!

Q:

Suppose A and B are angles in standard position with sin A and sin B Find the exact value of cos A B if A is in Q2 and B is in Q3

Q:

What is the binomial expansion of (x+2y)?? O 2x7+ 14xy + 42x5y2 + 70x4y3+ 70x3y + 42x2y5 + 14xy + 2y O x7+ 14x6y+42x5y2 + 70x4y3+ 70x3y+ 42x2y5+ 14xy6+y7 Ox7+7xy+21x5y2 + 35x4y3 + 35x3y4 + 21x2y5+...

Q:

25 . 0 and a are each acute angles in standard position. sin 0 = and cos a = 12 vilw 13' a) Determine cos(a + 0). b) Determine sin( 0- a). c) Explain why the direct angle measurements are not needed...

Q:

need help with these homework questions thank you for your time and consideration Question 15 (3 points) Angle / is in standard position. If cos B = - and sin / > 0, then determine the exact value...

Q:

ConeZone Company pays salaries of $20,000 every Monday for the preceding 5-day week (Monday through Friday).Assume December 31 falls on a Wednesday, so ConeZone's employes have worked three days...

Q:

Brady Corp pays $5,000 cash for computers used in its business. The tax law allows Brady Corp to deduct the capitalized cost of the computers ratably over five years. In the year of purchase and each...

Q:

LESSON: Linear and Angular Measures of a Central Angle in A Unit Circle Illustrating Angles in Standard Position and Coterminal Angles and Circular Functions Using Reference Angles to Find Exact...

Q:

Answer with confident correct answers ( Double check to see if the answers are correct!) 5 TT 2TT 20TT 4TT 271 137 A. B. 3' 3 ' 3 3' 3 3 4TT 14n AT 27 14n C. - , 2Tt, D. N 3 3 ' 3 ' 3 10n 2nt 13n E....

Q:

Pre-Calculus 30 Name: Unit 6 - Hand-in Assignment Date: 6.2 - Angles in Standard Position and Arc Length 18 a) What is the length of the arc that subtends a central angle of -3350 in a circle with a...

Q:

AutoSave OFF n A 2 0 5 ... w- Doc1math (1) - Saved to my Mac Home Insert Draw Design Layout References Mailings Review View Picture Format ? Tell me Share Comments Calibri (Bo... v 12 A" A Aa Ap 24 T...

Q:

The operations department will install 4 new copiers. Professors who want to use the copiers arrive at the rate of 70 per hour. The coefficient of variation of the inter-arrival times is 2. If all of...

Q:

1. Draw the process flowchart including processing times and capacities per step, and total time per prescription. 2. As a baseline measure for one time period, what is the labor utilization if 30...

Q:

The numerical derivative equation for f ( x ) = 2 x ^ 2 / 7 + 1 0 x + 2 at x = 1 7 is . . .

Q:

Consider the following hypothesis test: H0: u u is less than or equal to 50 Ha: u > 50 A sample of 60 is used and the population standard deviation is 8. Use the critical value approach to state your...

Q:

Baker Corporation purchases a 60% interest in Hardee Company on January 1, 2015, for $135,000. On that date, Hardee Company has the following stockholders' equity: Common stock ($10 par). . . . . . ....

Q:

The table below shows how Brett's utility increases as the number of avocados he consumes (per month) increases. Brett's utility is measured in utils, a name that economists invented to describe...

Q:

A hanging potted plant is suspended by a cord from a hook in the ceiling. Draw an FBD for each of these: (a) The system consisting of plant, soil, and pot; (b) The cord; (c) The hook; (d) The system...

Q:

A pulley is hung from the ceiling by a rope. A block of mass M is suspended by another rope that passes over the pulley and is attached to the wall. The rope fastened to the wall makes a right angle...

Q:

Create a 200 word summary on the Juvenile Justice System than and today. Describe The Juvenile system and provide a generalizable definition. Highlight the issues in the Juvenile system and why this...

Q:

Backflush costing and JIT production. The Acton Corporation manufactures electrical meters. For August, there were no beginning inventories of direct (raw) materials and no beginning and ending work...

Q:

A certain by-product is sold infrequently and at very low prices. When and how should a value be determined for the by-product and credited to the prime product? When answering this question first...

Q:

When a by-product with no established market is used as a substitute material, how is its value determined? LO.1