Trig Review

Angles of elevation and angles of depression are congruent because they form

• vertical angles

• same side interior angles

• alternate interior angles

• corresponding angles

Round to the nearest tenth

If angle A and angle B are complementary angles, which of the following must be true?

• Sin A=Sin B

• Tan A=Tan B

• Sin A=Cos B

• Cos A= Cos B

Find the value for x.

Find the value for y.

Find the value of theta that would make the statement below true.

• 26

• 18

• 10

• 20

Find the value of A. Simplify

Solve for X. Round to the nearest whole number.(Just type number)

A 12-foot ladder that is leaning against a wall makes a 75.5 degree angle with the level ground.  Which of the following equations can be used to determine the height, y, above the ground, in feet, that the ladder touches the wall?

• Cos 75.5=Y/12

• Cos 75.5=12/Y

• Sin 75.5=Y/12

• Sin 75.5=12/Y

Type A,B,C, or D.