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 do you mean by corrosion? How can you prevent it?
Question: 35/8 ( write as mixed number ) Please help me very very quickly!!!!!!!!!!!!!!!!!!!
What Canadian city is across a body of water from New York
What is the difference between displacement and double displacement reactions?Write equations for these reactions?
Given the inequalities y > 5x-8 and y >3x+4, find the point that satisfies neither inequalities
What is a Mandala Autobiography?
Given the inequalities y > 5x-8 and y >3x+4, find the point that satisfies both inequalities
Round 13 513 to the nearest thousand
. What are three factors that could contribute to a source not being credible?
Kim estimates that the faucet in her kitchen drips at a rate for 1 drop every 2 seconds. Erik wants to klnow how many times the faucet drips in a week.