Answer: 0 radians
Explanation: Looking at the unit circle, tan and sin equal each other at 0 radians. Sin(0) = 0 and tan(0) = 0/1 = 0.
Therefore, theta equals 0. Multiplying by 3 does not matter in this case because it is being multiplied by 0. Any number multiplied by 0 is 0.
1. This is a very easy question as you can just plug in 2 x-values and get the y-value, run a line through it, and you are done.
For example,
x = 2t
x = 2(2) = 4
x = 2(3) = 6
Now, you know there are points at (2, 4) and (3, 6).
2. This one is a little tricky, but all it's saying is that it has a specified domain. The parametric equation only works for values -2 ≤ t ≤ 3. So, you can do the exact same thing, except your line will only exist for points through the x-values -2 and 3. Let's plug in numbers:
y = t + 5
y = -2 + 5 = 3
y = 1 + 5 = 6
Now you know that this line runs through (-2, 3) and (1, 6). Remember, your line starts at -2 and ends at 3. It can't go any further than that.
Answer: .0000356
<u>Step-by-step explanation:</u>
3.56 x 10⁻⁵
the exponent of 5 tells you to move the decimal 5 places
the negative sign tells you to move the decimal to the left.
Answer:
-5/4
Step-by-step explanation:
Answer:
Using 3.14 for pi
835.24 cm^2
Using the pi button for pi
835.6636459 cm^2
Step-by-step explanation:
The surface area of a cylinder is given by
SA = 2 pi r^2 + 2 pi r h
= 2 * pi ( 7)^2 + 2 pi ( 7) * 12
= 98 pi + 168 pi
=266 pi
Using 3.14 for pi
835.24 cm^2
Using the pi button for pi
835.6636459 cm^2
