Unit 4 Trigonometry

opposite ÷ hypotenuse =

• sin

• cos

• tan

• trigonometry

Answer explanation

adjacent ÷ hypotenuse =

• sin

• cos

• tan

• trigonometry

Answer explanation

opposite ÷ adjacent =

• sin

• cos

• tan

• trigonometry

Answer explanation

Given a side length, which formula CANNOT be used to find the area of an equilateral triangle?

• Any of these formulas will work

What is the area of this triangle?

• None of the above

Answer explanation

Which of the following statements are true? 2 answers

Which equation can you use to find the value of t?

Find the value of x. Round to the nearest tenth.

For an acute angle 𝜃, the equation sin(𝜃) = cos(13) is true. What is the value of 𝜃?

Answer explanation

How far away is the star from the Sun in astronomical units?

Round to the nearest whole number. Use commas if necessary and no spaces or decimals.

Answer explanation