Answer:
afnhfafnabajnakfnakfjadfn
Answer:
A
Explanation:
You must know the basics of Trigonometry to solve this.
First, you must know that

lies in the second quadrant, so sin is negative.
Next, since
pi/4, is the reference angle of 3 pi/4, this means that we can set up a right triangle with pi/4 as an angle, we get


So the answer is A
Answer: The value of u · d = 4
Explanation:
(2y -1) = 0 , 2y = 1 , y = 1/2 . u = 1/2
(8-y)=0 y = 8 d = 8
Substitute values for u·d 1/2 · 8 = 4
Answer:
Carbon Dioxide (CO2) is a chemical compound consisting of one carbon atom and two oxygen atoms. ... Carbon Monoxide (CO) is a chemical compound which contains one carbon atom and one oxygen atom and is also a colourless and odourless gas. Unlike CO2, it is entirely human-made and is not naturally present in the atmosphere.
Explanation: