Review for Second Periodical Test in Trigonometry

Which of the following represents an obtuse angle?

• 0º <θ< 180º

• 0º <θ< 90º

• 90º <θ< 180º

• 90º >θ> 180º

Tags

CCSS.4.G.A.1

 The value of cosine in trigonometric functions of obtuse angles can be identified using the formula cosθ = cos (180º -θ )

• TRUE

• FALSE

Tags

CCSS.HSG.SRT.C.7

Which of the following is the value of the opposite of 30º, if the opposite of 60º is equal to 5 cm?

• $\frac{10\sqrt{3\ }}{3}$

• $\frac{15\sqrt{3}}{3}$

• $\frac{5\sqrt{3}}{3}$

• $\frac{20\sqrt{3}}{3}$

Tags

CCSS.HSG.SRT.C.8

Select all the set of angles included in special right triangles.

• 45º-45º-90º

• 45º-60º-90º

• 45º-45º-180º

• 30º-60º-90º

Tags

CCSS.HSG.CO.C.10

This figure is made up of several smaller geometric figures like triangles, circles and rectangles.

(a)  

Tags

CCSS.1.G.A.2

Which of the following angles represent the given triangle?

• 45º-45º-180º

• 45º-45º-90º

• 30º-60º-90º

• 30º-45º-90º

Tags

CCSS.HSG.CO.C.10

This function is can be used in solving the problem if the given ratio is hypotenuse over adjacent.

• Tangent

• Cosine

• Secant

• Sine

Tags

CCSS.HSG.SRT.C.6

If the hypotenuse measures 213 cm while the upper angle is 50° and the opposite side is missing, the ratio of what trigonometric function can be used?

• Cosine

• Sine

• Cosecant

• Secant

Tags

CCSS.HSG.SRT.C.6

Find the value of side CA. Express your answer into two decimal places.

(a)  

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

Select the trigonometric functions that can be used in solving the value of d.

• cotangent

• sine

• tangent

• cosecant

Tags

CCSS.HSG.SRT.C.6