So the definition of the cosine of an angle of a right triangle is

. You may remember this by SohCahToa (sine is opposite over hypotenuse, cosine is adjacent over hypotenuse, tangent is opposite over adjacent).
Remember, adjacent refers to the side next to the angle in question, and the side can't also be the hypotenuse. The hypotenuse is that longest side and is opposite the right angle.
We have the cosine of 30°. We write
Answer:
Reflect shape A on the line y=-1
Step-by-step explanation:
None needed you get full marks from the sentence above :)
Answer:
2/3
Step-by-step explanation:
there fore simplified to the lowest term is 2/4
Answer:
Welcome to brainly! It seems your new, so I completely understand you didn't add an image of your graph. You have to show us an image of your graph by pressing the attach icon (It looks like a paper clip) and attach your image after you have taken a picture/screenshot of it.
Step-by-step explanation:
Answer: Doubling the red marbles means that each 2 red marbles will be replaced by 4 red marbles. So after doubling the red marbles for each 3 blue marbles there will now be 4 red marbles, giving a new ratio of 3:4.