Inverse Trig Compositions

sin(cos^-1(0))=

• 0

• 1

• π/2

• π

cos^-1(sin(-π/4))

• 3π/4

• π/2

• π

• -π/4

sin^-1(-1/2)

• π/3

• π/6

• 5π/6

• -π/6

tan(sin^-1(-1/2))

• √3

• √3/3

• -√3

• -√3/3

Match the following definitions with the correct word

• Arctangent

• The ---------- of a number between 0 and 1 is the

  acute angle whose cosine is that number.

• Arcsine

• The --------- of a number between 0 and 1 is the

  acute angle whose sine is that number.

• Arccosine

• The ----------- of a positive number is the acute

  angle whose tangent is that number.

cos^-1(√(3)/2)

• π/3

• 2π/3

• π/6

• 5π/6

tan^-1(√(3))

• π/3

• 2π/3

• π/6

• 5π/6

cos^-1(0) = 

• π/2

• π

• 1

• none of these

sin^-1(-1) =

• π/2

• 0

• -1

• -π/2

sin^-1(cos(5π/6))

• -π/4

• π/4

• -π/3

• π/6