Solving missing sides
Sine/Cosine Relationship
Reference Angles
Trig in the Coordinate Plane
Solving missing angles
100
What does SOH CAH TOA stand for?
Sine= O/H
Cosine= A/H
Tangent= O/A
100
What is the Sine ratio of Theta?
5/13
100
The Sine of 30 degrees
What is 1/2
100
The cosine of 240 degrees
-1/2
100
Solve for the value of x to the nearest whole number.
42 degrees
200
What is the value of side AB? Round to the tenth.
AB= 4.6
200
Angles P and R are complimentary. If Cos(R) = 4/17, what is the Sin(P)?
4/17
200
The cosine of 30 degrees
sqrt(3) / 2
200
The sine of 135 degrees
1/sqrt(2) OR sqrt(2) / 2
200
Solve for the missing angle (x) to the nearest whole degree.
X= 47 degrees
300
Find the value of BOTH a and c. round to the tenth. (Two answers must be given to receive points.)
a= 7.4
c= 9.5
300
The sum of <M and <Q is 90. If Sin(M)= 5/8, what is the value of Cos(Q)?
5/8
300
Sine of 90 degrees
1
300
Name one angle that has a tangent of -1.
135 degrees or 315 degrees.
300
Solve for the measure of angle Y to the nearest tenth.
y= 73.7 degrees
400
169.4 yds.
400
In a right triangle, Sin(40)= x and Cos(____)= x.
50 degrees
400
The sine and cosine of 45 degrees are equal because...
The 2 non-hypotenuse legs are the same measure.
400
The formula for tangent is opposite/adjacent. For which two angles in the coordinate plane is tangent undefined?
90 and 270.
400
Find the measure of both x and y. Round to the nearest tenth.(Two answers must be shown for credit)
y= 36.5
x= 53.5
500
What is the total perimeter of Triangle XYZ?
Perimeter= 9 + 5.7 + 7 = 21.7
500
In a right triangle, Cos (38)= x and Sin (_____)=x.
52 degrees
500
When we find what angles are in different quadrants, we always drop a line vertical, down to the x-axis.
Besides the signs, this would make an angle of 210 degrees the same as which measure?
30 degrees.
500
(Coterminal Angles): The sine of 510 degrees is...
1/2
500
A 23-foot ladder is leaning against the side of a building. The top of the ladder to the top of the building is 12-feet above the ground. What is the angle that the ladder makes with the ground? Round to the nearest whole number.
31 degrees