Basic Trig
Unit Circle
Trig Word Problems
Law of Sines
Law of Cos
100
In triangle ABC if A=54 degrees C=90 degrees and a=10. What is the length of c?
c=12.36
100
What is sin(30)?
1/2
100
A 12 ft long ladder lies against a 10ft tall tree. What is the angle of elevation the ladder makes with the ground?
56.44 degrees
100
In triangle ABC if A=46 degrees C=83 degrees and c=21 what is the length of a?
a=15.22
100
In triangle ABC find the length of a when b=5 c=7 and A=28 degrees
a=3.49
200
In triangle ABC if A=60 degrees C=90 degrees and c=18. What is the length of b?
b=9
200
What is tan(180)?
0
200
A 5 ft tall zoey stands 100 ft away from a 300ft tall clock tower at tilted towers. What angle of elevation would the zoey have to look in order to snipe the dark voyager at the top of the building?
71.27
200
In triangle ABC if A=62 degrees B=41 degrees and c=16 what is the length of b?
10.77
200
In triangle ABC a=2 b=8 and C=55 degrees. What is the length of c?
c=7.045
300
If sin A = 2/5 and 0 degrees < A < 90 degrees, what is is cos A?
sqrt(21)/5 = approximately 0.92
300
What is the Csc 210
-2
300
A 12 ft long ladder lies against a 10ft tall tree. What is the angle of elevation the ladder makes with the ground?
56.44 degrees
300
In triangle ABC if A=72 degrees B=37 degrees and a=16 what is the length of b?
b=10.12
300
Find the length of b when a=6 c=7, and B=12 degrees
b=1.68
400
In triangle ABC if C=90 degrees and b=12, and a=5. What is the measure of angle A ?
A=22.62
400
What is the sec(330)
-2sqrt(3)/3
400
40.45 cm
400
In triangle ABC if B=39 degrees a=6,and b=10 what is the measure of angle A?
A=21.65 degrees
400
In triangle ABC a=8 b=7 and c=5. Find the measure of angle B
B=60 degrees
500
If tan(A) = -2/3 and 90 < A < 180 degrees, what is sec(A)?
-sqrt(13)/3 or -1.20
500
What is the cot (600)?
sqrt(3)/3 or 1/sqrt(3)
500
41.81 degrees
500
Find the area of triangle ABC when A=48 degrees B=62 degrees and a=13m
94.34m2
500
Find the area of triangle ABC when a=8 b=6 and c=7
20.33