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Trig Midterm
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sin
2
x +
cos
2
x = 1
A. Reciprocal Identity
B. Pythagorean Identity
C. The Sum and Difference Identity
D. Half-Angle Identity
E. Double-Angle Identity
B. Pythagorean Identity
1 + cot
2
x =
csc
2
x
a.Pythagorean Identity
b.Double-Angle Identity
d.c.Reciprocal Identity
e.Half-Angle Identity
f.The Sum and Difference Identity
a.Pythagorean Identity
1 + tan
2
x
= sec
2
x
a.Pythagorean Identity
b.Double-Angle Identity
c.Reciprocal Identity
d.Half-Angle Identity
e.The Sum and Difference Identity
a.Pythagorean Identity
sin2
x = 2
sin
x
cos
x
A. Half-Angle Identity
B. Double-Angle Identity
C. Pythagorean Identity
D. The Sum and Difference Identity
E. Reciprocal Identity
B. Double-Angle Identity
tan2
x
= (2tan
x
)/( 1- tan
2
x
)
A. Pythagorean Identity
B. Half-Angle Identity
C. The Sum and Difference Identity
D. Double-Angle Identity
E. Reciprocal Identity
D. Double-Angle Identity
Ordered Pair
If x and y are real numbers, then (x,y) is an ordered pair of real numbers.
Linear equation in two variables
3x-7y=19 is the standard form
Pythagorean Theorem
in a right triangle the sum of the lengths of the legs in equal to the square of the length of the hypotenuse.
a
2
+b
2
=c
2
Pythagorean Theorem
Distance Formula
The distance
d
between the points (
x,y
) and (x
2
,y
2
)
Midpoint Formula
/frac{x
1
+x
2
}{2}, /frac{y
1
+y
2
}{2}
The midpoint_______________.
of the line segment with endpoints (x
1
,y
1
) and (x
2
,y
2
)
The fixed distance is the ___________.
Radius
The given point is the ___________.
Center
The distance formula can be used to write and equation for a circurle with center______ and radius _____.
(h,k)
r(r>0).
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Author
aliciam369
ID
199834
Card Set
Trig Midterm
Description
Formulas, definitions, examples
Updated
2013-02-12T00:45:43Z
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