Inverses
The smallest positive angle x for which tan(x)=1
What is 45º or pi/4?
The first positive value where sin(x)=1/2
What is pi/6?
The validity of the statement: "The law of sines can be used for SAS (True/False?)"
What is false?
The validity of the statement: "The law of cosines can be used in the case of SSS (True/False?)"
What is true?
The exact value of sin(-60º).
What is -sqrt(3)/2?
The domain of sin-1(x).
What is the interval [-1,1]?
The first positive value of x for which cos(2x)=0
What is pi/4?
The number of triangles possible given SSA of b=6, a=4 and alpha=30º.
What is 2?
The number of triangles possible given SSS of a=1, b=2 and c=20.
What is zero?
The exact value of sin(x) if tan(x)=-5/12 in the second quadrant.
What is 5/13?
The range of arctan(x)
What is (-pi/2, pi/2)?
All of the solutions to tan(2x)=0
What is n*pi/2?
Given a triangle and AAS, the value of the side b opposite to beta=20, alpha=42 and a=7 to two decimal places.
What is 3.58?
The measure of the third side of the triangle given SAS of a=5, gamma=60º, and b=7 exactly or to two decimal places.
What is 6.24 (or sqrt(39))?
The exact value of sin(15º)cos(15º).
What is 1/4?
The range of cos-1(x).
What is [0, pi]?
The first 2 positive solutions to cos(2x-pi/3)=0
What are 5pi/12 and 11pi/12?
What is the area of a triangle with SAS of a=3, gamma=35º and b=5 to two decimal places?
What is 4.30?
The measure of angle beta given that a=3, b=6 and c=7 to two decimal places.
What is 58.41º?
The simplified expression involving only one trig function of the expression (1+tan2(x))cos(x).
What is sec(x)?
The exact value of sin-1(sin(3pi/4)).
What is pi/4?
The first two positive values for which sin(2x)=.3 to two decimals?
What are 0.30 and 1.27?
Find the other two angles of the triangle given SSA of a=6, b=4 and alpha=20º to two decimal places.
What are 13.18º and 146.82º?
The area of a triangle with side lengths of 4 cm, 5 cm, and 7 cm up to two decimal places.
What is 9.80 cm2?
The vertical asymptotes of 3sec(2x-pi/3)+1.
What are x=pi*k/4+pi/6, k an odd integer?