yunggawgdafufu yunggawgdafufu
  • 22-07-2020
  • Mathematics
contestada

sin155° = _____ sin25° sin(-25)° -sin25°

Respuesta :

wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 22-07-2020

Answer:

sin 25

Step-by-step explanation:

sin(A − B) = sinA cosB − cosA sinB

sin 155

sin( 180 -25)

A = 180  B = 25

sin180 cos25 − cos180 sin25

Sin 180 = 0

cos 180 = -1

0 - (-1) sin 25

sin 25

Answer Link

Otras preguntas

Read the passage from chapter 7 of Animal Farm. As Clover looked down the hillside her eyes filled with tears. If she could have spoken her thoughts, it would h
Based on previous knowledge of Greek values, what prediction can best be made about Antinous's future? Antinous's friends will rally around him, and he will be
a sequence of numbers is given by 25,30,35..............,300. find the number of terms in the sequence​
Find mistakes 1. If there will be too much garbage, the air will be seriously polluted 2.What a pity. I have to look at my little brother, so I can't go to the
The length of a rectangle is six times its width. If the area of the rectangle is 384^2, find its perimeter.
If the United State President does not like a law, he can _____ it. A) veto B) amend C) annex D) change
What best summarizes the central idea of the passage from "How the Internet and Other Technologies Came About?
we have the school keeper open the classWe have
hii pls help me to balance the equation and state the symbols thanksss​
1. I use laptop for __________and projects.A. doing cookingB. assignmentsC. skipping ropeD. playing tennis