Trig Identities 1
The inverse trig function of sine
What is cosecant?
standard length, used in trig, of the opposite side of 30 degrees in a 30-60-90 triangle
What is 1?
Quadrant where sine is positive and cosine is negative
What is II?
Height of tree (to the nearest foot) that casts a 50 foot shadow when the sun is at an angle of 30 degrees with the ground
What is 29 feet?
Country that invented trigonometry
What is Greece?
The inverse trig function for secant
What is cosine?
Standard length, used in trig, of the adjacent side of the 60 degree angle in a 30-60-90 triangle
What is 1?
Quadrant in which cosine is positive and sine is negative?
What is IV?
Vertical drop of a ski slope that is 4000 feet long and has an incline of 30 degrees
What is 2000 feet?
Period and amplitude of y = sin x
What is 2 pi and 1?
The inverse trig function for cotangent
What is tangent?
The standard length of the hypotenuse in a 30-60-90 triangle used in trig
What is square root of 2?
Quadrant of quadrants in which tangent theta could be negative
What are quadrants II and IV?
Length of guy wire (to the nearest foot) needed to support a 200 foot pole if the guy wire is connected at the top of the pole and is at a 45 degree angle
What is 200 times square root of 2, or 283 feet?
Exact value of arctan(1)
What is 45 degrees, or pi/4?
The pythagorean trig identity involving sine and cosine
What sin2theta + cos2theta = 1?
Angle measure, in radians, when cosecant theta = 2
What is pi/3? (60 degrees)
Quadrant or quadrants in which secant theta can be positive
What is I and II?
Horizontal distance (to the nearest foot) a hot air ballon is from you if you use a laser device that tells you the balloon is 3000 feet from you at an angle of 50 degrees
What is 4667 feet?
Value in degrees of angle or angles where tangent theta equals -1/radical 3
What are 150 degrees and 330 degrees?
The pythagorean trig identity involving secant and tangent trig functions
What is 1 + tan2theta = sec2theta?
Angle measure in radians, when cotangent theta equals square root of 3
What is pi/6? (30 degrees)
The only quadrant or quadrants in which sine, cosine, and tangent theta are all negative
What is no quadrants?
Distance traveled (to the nearest foot) around a 150-foot radius circular track if you go 3 quarters around
What is 707 feet?
Sec (60) = 2; cos 30 = ?
What is (square root of 3)/3?