kellymruk kellymruk
  • 02-12-2020
  • Mathematics
contestada

Find the exact value of cos(a-b) given sin(a)=-4/5 and cos(b)=-5/8 for a in Quadrant III and B in Quadrant II.

See picture for answer choices.

Find the exact value of cosab given sina45 and cosb58 for a in Quadrant III and B in Quadrant II See picture for answer choices class=

Respuesta :

millardfayeth millardfayeth
  • 10-12-2020

Answer: B

Step-by-step explanation:

Answer Link

Otras preguntas

Need help with this question. Thirty points.
Does the Bill of Rights include both liberties and rights?
The _____ of two sets X and Y is denoted by X-Y​
ONLY answer if you know what the answer is. If you are not sure DONT FREAKING ANSWER.
Measurements of angles
What is the combination of a Protagonist and an Antagonist?
3/20 as a percentage?
An unconscious gesture intended to hinder therapy progression is known as __________. a. resistance b. transference c. interpretation d. free association
Question 9 of 10 Find the solutions to x2 = 18. O A. x= +3,12 O B. x= +2,/3 X O C. X = +36 O D. x = +63 Х
You have four $20 bills, ten $5 bills, and twelve $1 bills in your wallet. If you reach into your wallet twice, what is the probability that you will pull out a