Trigonometry And Precalculus Flashcards
0
Q
Given two points, how does one calculate the slope of a line?
A
(y2- y1)/ (x2-x1)
1
Q
What is the formula for a line in slope intercept form?
A
y=mx+b
2
Q
Given a point and the slope, how does one calculate the formula for a line?
A
(y-y1)= m(x-x1)
3
Q
What is standard form?
A
ax+by=c
4
Q
How can we remember the purposes of sine, cosine, and tangent?
A
“Soh Cah Toa”
5
Q
What does the ratio Sine use?
A
Sine= opposite/ hypotenuse
6
Q
What does the ratio Cosine use?
A
Cosine= adjacent/ hypotenuse
7
Q
What does the ratio Tangent use?
A
Tangent= opposite/ adjacent
8
Q
What is the standard form of a circle?
A
(x-h)^2+(y-k)^2=r^2
Where circle center point is (h,k) and r is radius
