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

What type of organization is divided into departments that serve a variety of needs,like emergency care, surgical care, labor and delivery etc what is it?
Can someone please teach me how to solve question 1 and 2
use the unit circle to find the value of tan (225 degrees
Solve the system of equations. y = x + 2, y = x2 + 7x + 10
Factor each linear expression. If the expression cannot be factored, write cannot be factored. 36x – 9
How does the lymphatic system maintain homeostasis
Page 127 "And there on the small screen was the burnt house, and the crowd and something with a sheet over it and out of the sky, fluttering, came the helicopte
What is the simplified expression for 5ab + 9ab - ab?
I need help so bad I need answers in at least 2- 5 minutes
6. Which of the following is an example of a rational number between 7 and 8? a) 7.83 b) 7.625 c) 71 d) Both a and e) All of the above