kayp1love kayp1love

02-03-2017
Mathematics

contestada

How to verify identities using sum and difference?

Respuesta :

kaitlynj3481 kaitlynj3481

02-03-2017

use a sum or difference identity to find the exact value of cos without a calculator. to work this, we look at the 75° to see if its the sum or difference of any angles from our reference triangles.now plug in values from your reference triangles.

Answer Link

Otras preguntas

Please select the word from the list that best fits the definition to cancel, as in a marriage Elizabeth I seminary Henry of Navarre annul Mary I

Help me! i have 20 minutes

MN appears to be tangent to OC, but don't trust the picture! Use calculations to see if MN is tangent to OC.

Joe, a hiker, stands at the top of a hill on a trail above the ocean. Joe's friend Dave is just starting out at the trailhead, which is at the beach. Which stat

what impact does the environment have on the environment?

Solve using elimination y = 5x+4 y = 2x+7 Show work plz

What are the advantages and the disadvantages of Sodium Metal + Hydrochloride Acid

A salesman earns 7% commission on all the merchandise that he sells. Last month he sold $6000 worth of merchandise. How much commission (in dollars) did he earn

Explain why many historians believe that D-day was the “beginning of the end” for the Nazis and WWII in Europe.

Maria’s phone bills were $95, $67, $43, and $115. What was the mean, or average, of her phone bills?