Theninja888 Theninja888

17-06-2016
Mathematics

contestada

Verify the identity. (7 points)

cos quantity x plus pi divided by two = -sin x

Respuesta :

jhonyy9 jhonyy9

17-06-2016

do you think

cos(x + pi/2) = -sin x ?

so hopw you learned about formula cos(a+b) = ?

Answer Link

Otras preguntas

41/50 is closer to 9/11 or 10/11 and explain

frodo ran 2 3/5 miles in 7/12 of an hour. how many miles xan frodo run in one hourm

Please Help. I need to know how to get the answer.

What is an algebraic expression for the following word phrase: "6 times the difference of b and p?" a. 6b-p b. 6(b-p) c. 6-bp d. 6bp Evaluate u+xy if u=18 x=10

What is the base word if the word relationship

what is 3.1 as a mixed fraction in simplest form

what is a small rock that has 5 letters

Which expressions have a value of –23? Choose all answers that are correct. a. 11 – 34 b. –9 – (–14) c. 25 – 2 d. –11 – 12

What are the 2 ways to describe matter

3x+3y+6z=9 2x+y+3z=7 x+2y-z=-10 any one know the answer

ACCESS MORE