Pythagorean Theorem Special Right Triangles and Trigonometry

What would you use to solve for a?

• sin

• cos

• tan

• Pythagorean theorem

What is the length of side x?

• 6.57 cm

• 7 cm

• 7.44 cm

• 26.33 cm

From ∠C, what side is AB?

• Adjacent

• Hypotenuse

• Opposite

• Sine

Which Trig function do you use?

• Sine

• Cosine

• Tangent

Choose the correct ratio.

• sin(37)=x/14

• cos(37)=x/14

• tan(37)=x/14

• sin(37)=14/x

Find the value of side CA. Express your answer into two decimal places.

This theorem is can be used in finding the 3rd missing side of the right triangle which states that "the sum of the squares of the two legs of the right triangle is equal to the square of its hypotenuse."

Which of the following angles represent the given triangle?

• 45º-45º-180º

• 45º-45º-90º

• 30º-60º-90º

• 30º-45º-90º

If the hypotenuse measures 213 cm while the upper angle is 50° and the opposite side is missing, the ratio of what trigonometric function can be used?

• Cosine

• Sine

• Cosecant

• Secant

Select the trigonometric functions that can be used in solving the value of d.

• cotangent

• sine

• tangent

• cosecant