Integral Trigonometry and Inverse Trigonometry

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Which equation would you use to solve for the unknown angle?

• x = sin^–1(4/5)

• x = cos^–1(4/5)

• x = cos^–1(5/4)

• x = tan^–1(4/5)

Tags

CCSS.HSG.SRT.C.8

Which equation would you use to solve for the unknown angle?

• x = tan^–1(24/7)

• x = tan^–1(7/24)

• x = tan^–1(25/7)

• x = tan^–1(7/25)

Tags

CCSS.HSG.SRT.C.8

Match the following definitions with the correct word

• Arccosine

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

  acute angle whose cosine is that number.

• Arctangent

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

  acute angle whose sine is that number.

• Arcsine

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

  angle whose tangent is that number.

Find the measure of the indicated angle (?) round to the nearest tenth.

• 9.4

• 55.2

• 20.15

• 19.4

Tags

CCSS.HSG.SRT.C.8

Use inverse trig ratios (SOH CAH TOA) to solve for the missing angle

• 32°

• 44°

• 61°

• 50°

Tags

CCSS.HSG.SRT.C.8

sin^-1(-1) =

• π/2

• 0

• -1

• -π/2

Tags

CCSS.HSF.TF.B.7

cos^-1(0) = 

• π/2

• π

• 1

• none of these

Tags

CCSS.HSF.TF.B.7

sin^-1(√(2)/2) = 

• π/4

• π/3

• π/2

• π

Tags

CCSS.HSF.TF.B.7