Grade 11 Pre Cal Elective Mock Test

Which of the following expression is equal to cos(150)cos(40)+sin(150)sin(40)?

• sin 190

• cos 190

• sin110

• cos 110

Expand sin (40  + 35 )

• sin 40 cos 35   - cos 40  sin 35

• sin 40 cos 35   + cos 40  sin 35

• sin 75

• cos 75

Which of the following is equal to tanθ −3tan θ – 10?

Which of the following is equal to cos (90° -x)?

• tan x

• cot x

• cos x

• sin x

The radius is 8 inches and the central angle is 110°. Find its area

• 18.32

• 16.45

• 45.43

• 61.43

Which of the following is a negative coterminal angle of 120 degrees?

• -140

• -200

• -120

• -600

In which all quadrants is sin θ positive?

• QI and QII

• QII and QIII

• QI and QIII

• QI and QIV

The expression 2sin20 cos20  has the same value as

• sin 40

• sin 20

• cos 40

• cos 20