Find Angle Given Trig Ratio

Find the angle whose sine is 0.5.

• 45 degrees

• 60 degrees

• 30 degrees

• 90 degrees

Find the angle whose sine is 0.866.

• 60 degrees

• 45 degrees

• 30 degrees

• 90 degrees

Find the angle whose sine is 0.2588.

• 15 degrees

• 60 degrees

• 45 degrees

• 30 degrees

Find the angle whose sine is 0.7071.

• 60 degrees

• 90 degrees

• 45 degrees

• 30 degrees

Mathematical Equivalence

ON

Tags

CCSS.MATH.CONTENT.HSG.SRT.C.8

sin A = ​​ (a)   ​

cos A = ​​ (b)  

tan A = ​ (c)  

Tags

CCSS.MATH.CONTENT.HSG.SRT.C.8

Find the measure of theta. round to the nearest tenth.

Mathematical Equivalence

ON

Directions: Enter your answer in the space provided. Use the numbers and symbols to enter your answer. The figure represents the side view of a rectangular frame for metal shelves. Two diagonal braces support the frame. Write an equation that can be used to determine the measure of angle θ.

• tan

• x

• 2

• sin

• cos

Directions: Enter your answer in the space provided. Use the numbers and symbols to enter your answer. The figure represents the side view of a rectangular frame for metal shelves. Two diagonal braces support the frame. Write an equation that can be used to determine the measure of angle θ.

• tan

• x

• 2

• sin

• cos

Find the angle whose cosine is 0.2588.

• 75

• 45

• 60

• 30