The answer is a. You have the correct one highlighted I believe.
Hope this helps.
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Cosine and secant functions are reciprocal, which means
So, if
then
I hope this helps. =)
Tags: <em>cosine secant cos sec relation reciprocal trig trigonometry</em>
<span>y-3=-2(x-6)
y-3= -2x +12
y - 3 + 2x- 12 =0
2x+y =15,
Ax +By =C
A=2, B=1, C=15</span>
Answer: Sample response: 50% is a friendly percent. You can divide 120 by 2 to find the answer. 120 divided by 2 is 60. So, 60 students were 7 years old when they lost their first tooth.
Answer:
T^2*g / 4pi^2 = l
Step-by-step explanation:
T = 2 * pi * sqrt( l/g)
We need to solve for l
Divide each side by 2pi
T/ (2pi) = 2 * pi/2pi * sqrt( l/g)
T/ (2pi) = sqrt( l/g)
Now square each side
(T/ (2pi))^2 = ( sqrt( l/g))^2
T^2 / 4pi^2 = l/g
Multiply each side by g
T^2 / 4pi^2 * g= l/g*g
T^2*g / 4pi^2 = l