MDTP Trigonometry 3

Question 1

What is the value of sin(π/6)?

Accepted Answer

1/2

Answer

√3/2

Answer

√2/2

Answer

1

Question 2

What is the value of cos(π/2)?

Accepted Answer

0

Answer

1

Answer

−1

Answer

1/2

Question 3

What is tan(π/4)?

Accepted Answer

1

Answer

√3

Answer

1/√3

Answer

0

Question 4

Which expression equals sin(2θ) according to the double angle formula?

Accepted Answer

2sin(θ)cos(θ)

Answer

2sin(θ)

Answer

sin²(θ) + cos²(θ)

Answer

2cos²(θ) − 1

Question 5

What is the period of y = cos(2x)?

Accepted Answer

π

Answer

4π

Answer

2π

Answer

π/2

Question 6

Which expression is equivalent to 1 + tan²(θ)?

Accepted Answer

sec²(θ)

Answer

sin²(θ)

Answer

csc²(θ)

Answer

cos²(θ)

Question 7

What is the value of cos(π)?

Accepted Answer

−1

Answer

0

Answer

1

Answer

1/2