Sum and Difference
Law of Sines
Law of Cosines
Trig Identities
Review
100
This is congruent to
sin((2pi)/3+(11pi)/6)
What is 1?
100
This is the complete Law of Sines
What is
sinA/a = sinB/b = sin C/c
100
This formula is how you find side c given side a, side b, and angle C.
What is
sqrt(b^2+a^2-2bacosC)
100
tanxcosxsinx
simplified
What is
sin^2(x) or (sinx)^2
100
This is how you transform f(x) = x2 into f(x)=(x+7)2+3
What is left 7, and up 3?
200
This is
sin((3pi)/2-pi/4)
out of
sqrt3/2, sqrt6/2, sqrt2/2, -sqrt2/2
What is
-sqrt2/2
200
This is the measurement of angle B when angle A=45 degrees, side a=17, and side b=14.
What is 35.61 degrees?
200
This is the measurement of angle A when side a=5, side b=7, side c=8
What is A=38.21 degrees?
200
cotx(tan^2x)
simplified
What is tanx?
200
This is (fog)(x) when
f(x)=sqrt(x+5) and g(x) = 1/x
What is
sqrt((1/x)+5)
?
300
This is congruent to
cos((7pi)/6-pi/2)
What is
-1/2
300
These are the measurements of angle A and side c when side a=5, side b=12, angle B=75 degrees, and angle C=23 degrees
What is 82 degrees and 4.85 units?
300
This is the length of the third side of a triangle with side b=13, side c=9, and angle A=58 degrees
What is a=11.22?
300
cscx(1-cos^2x)
simplified
What is sinx?
300
This is f-1(x) of
f(x)=sqrt(x-7)
What is x2+7?
400
This is congruent to
cos(pi/2-pi/3)
out of
sqrt6/2, -sqrt3/2, (sqrt2-sqrt6)/2, sqrt3/2
What is
sqrt3/2
400
These are the measurements of angle A, side a, and side b when angle B=35 degrees, angle C=105 degrees, and side c=11
What are A=40 degrees, a=7.32 and b=6.53?
400
This is the length of side a.
What is 20.87?
400
1/(sin^3x+sinxcos^2x
What is cscx?
400
(2x+15-x^2)/(6+7x^2+23x
simplified
What is
(5-x)/(7x+2)
500
This is congruent to
cos(pi/3+pi/4)
using the unit circle and sum identities
What is
sqrt2/4-sqrt6/4
500
A man is looking up at a cliff at an angle of elevation of 43 degrees. The man moves 110 feet closer to the cliff and the new angle of elevation is 54 degrees. This is the height of the cliff.
What is 318.08 feet?
500
To approximate the length of a pond, you walk 200 feet from point A to point B, turn 80 degrees and walk 170 feet to point C. This is the distance between point A and C.
What is 238.94 feet?
500
(sec^2xcscx)/(sec^2x+csc^2x)
Whats is sinx?
500
This is the 2nd term in the expansion of (s-2)7
What is -14s6?