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

Emperor penguin can be found on only one continent
The other team has won all the matches in the tournament so far. But we win the match next week if we practice every day. (might/must)​
The sum of three consecutive multiples of 11 is 165. Find these three multiples.​
What are the key features of the equation y = (x + 12)(x + 6)?
Which change in Great Britain influenced the style and content of seventeenth- and eighteenth-century literature? A. the rise of lower classes B. Increased lite
expand and simplify x(4x-2)+x(5x+6)
1. Explain what is meant by each of the marketing concepts, by completing the table below: Marketing concept Description Production Product Selling Societal
What are the step to solving this? Please explain step by step.
Benefits of online learning
write two different data sets with 6 numbers, so that: a) The mode is 100. The median and the mean are equal.