Answer:

Step-by-step explanation:
Using the Pythagorean identity
sin²x + cos²x = 1, then
sinx = 
Note that (
)² = 
sinΘ = 
=
= 
Answer: (-1/4)
Step-by-step explanation:
This divides to -1/4
Answer:
inverse is the opposite
Step-by-step explanation:
Answer:
16(0.5x - 0.75y + 2)
Step-by-step explanation:
16 x 0.5 = 8
16 x -0.75 = -12
16 x 2 = 32
Answer:
Proved
Step-by-step explanation:
picture above explains it but it requires me 20 words in order to answer this question so don't mind this. (If anyone is willing to help me answer my chemistry question, thanks)