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

8. a) If 8 is a factor of a number, explain why 2 and 4 must also be factors of the number. b) Explain why 8 is a factor of 8 * 10

Are there many people affected by healthcare

The total number of enslaved Africans who were forced to cross the Atlantic and who survived was a. 2 million Ob.4-6 million c. 10-12 million d. 7-9 million

A car increases its velocity from zero to 68 km/h in 12 s. What is its acceleration? Answer in units of m/s^2

Which of the following sentences is correct? Los pájaros hacen guau-guau. Los pájaros hacen miau-miau. Los pájaros hacen pío-pío.

Simplify (sinA +cosA) (sinA-cosA)

Whats a good way to remember numbers in french?

Tolong sih kak bantuin, bingung bgt soalnya

Discuss the gender related health inequalities experienced in South Africa

One inch of rain on a square foot of land weighs 5.2 pounds. About how many gallons of rain are there? Round your answer to the nearest tenth.