Answer:
I believe it is A, B, and D.
Step-by-step explanation:
Answer:
(-3,5)
Step-by-step explanation:
Using standard form: (x-h)^2 + (y-k)^2 = r^2
Center: (h,k)
Radius: r
Center (-3,5)
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Step-by-step explanation:
a) Tangent equals sine divided by cosine. Therefore:
tan(-t) = sin(-t) / cos(-t)
b) Using the fact that sin(-t) = -sin(t) and cos(-t) = cos(t):
tan(-t) = -sin(t) / cos(t)
tan(-t) = -tan(t)
c) A function is symmetric about the origin if f(-x) = -f(x) (in other words, if it's an odd function). Therefore, y = tan(t) is symmetric about the origin.