Regular Trig
Inverse Trig
Ratios
Problem Solvers
Thinkers
100

Find the length of AC. 

6.20

100

Find the measure of the angle A.

36.87

100

Write the sin, cos, and tan ratios for angle C. 


sin(C)=4/6.4

cos(C)=5/6.4

tan(C)=4/5

100

Solve for 'x'. 

35.53

100

1. Which functions are used to find an unknown side of a right triangle if you know one side and an acute angle?

2. Which functions are used to find an unknown acute angle of a right triangle if you know two sides?

1. Find a side given angle and side.

sin, cos, tan

2. Find an angle given two sides.

sin^-1, cos^-1, tan^-1

200

Find the length of AC

4.60

200

Find the measure of angle B. 

28.81

200

Write the sin, cos, and tangent ratios for angle A. 

sin(A)=5/6.4

cos(A)=4/6.4

tan(A)=5/4

200

Solve for 'x'. 

14.6

200

Which is a valid equation?

c*sin(B)=a

sin^-1(b/c)=A

a=c*sin(A)

b*a=tan(A)

a=c*sin(A)

300

Find the length of AC. 

2.05

300

Find the measure of angle A. 

48.19

300

Write the inverse sin, inverse cos, and inverse tan equations that could be used to solve for angle C. 


sin^-1(4/6.4)=C

cos^-1(5/6.4)=C

tan^-1(4/5)=C

300

Find the area of the triangle. 

690.7

300

In a right triangle, we know that sin(A)=3/4. Find the measure of the other acute angle in the triangle. 

41.41 degrees

400

Find the length of AB.

13.77

400

Find the measure of angle A. 

17.10

400

Write the inverse sin, inverse cos, and inverse tan equations that could be used to solve for angle A. 

sin^-1(5/6.4)=A

cos^-1(4/6.4)=A

tan^-1(5/4)=A

400

Find the area of the triangle. 

698.2

400

Which of the following are not possible? State all that apply. 

cos(A)=(1.4)

sin^-1(3/4)

sin^-1(4/3)

tan(A)=sqrt(2)

sin(A)=sqrt(2)

cos(A)=(1.4)

sin^-1(4/3)

sin(A)=sqrt(2)