Trigonometry 3

Which trigonometric ratio is hypotenuse/adjacent?

• cosine
• tangent
• secant
• cosecant

Which trig function does not use opposite and hypotenuse?

• sine
• cosecant
• cotangent

If you use an inverse trig function to solve an equation, what are you trying to find?

• hypotenuse
• leg
• angle
• jesus

Which of the following is the same as tan^-1x?

• cotangent x
• tangent x
• arctangent x
• arccotangent x

What is the reciprocal of csc x?

• sec x
• sin x
• cos x
• tan x

Two legs of a right triangle are 500 and 1200, what is the length of the hypotenuse?

• 400
• 300
• 1300
• 2500

Which expression would be used to solve for angle x?

• sin^-1(7/3)
• tan^-1(7/3)
• sin^-1(3/7)
• tan^-1(3/7)

Which equation could be used to solve for x?

• cos x = 10/4
• sin x = 4/10
• csc x = 10/4
• sec x = 10/4

Which best describes the ACT Math subtest.

• 40 questions in 60 minutes
• 45 questions in 50 minutes
• 60 questions in 60 minutes
• 45 questions in 45 minutes

What information do you need to know to directly apply the pythagorean theorem given a right triangle?

• the length of a leg and an angle
• the measure of 2 angles
• the length of all 3 sides
• the length of any 2 sides