Trigonometry Review for High School

Sin ratio?

• Opposite/Hypotenuse

• Hypotenuse/Opposite

• Adjacent/Hypotenuse

• Adjacent/Opposite

Answer explanation

The sine ratio is defined as the ratio of the length of the side opposite the angle to the length of the hypotenuse in a right triangle. Therefore, the correct choice is Opposite/Hypotenuse.

Cosine ratio?

• Adjacent/Hypotenuse

• Opposite/Hypotenuse

• Hypotenuse/Adjacent

• Hypotenuse/Opposite

Answer explanation

The cosine ratio is defined as the ratio of the length of the adjacent side to the length of the hypotenuse in a right triangle. Therefore, the correct choice is 'Adjacent/Hypotenuse'.

Tangent ratio?

• Hypotenuse/Opposite

• Opposite/Adjacent

• Adjacent/Opposite

• Hypotenuse/Adjacent

Answer explanation

The tangent ratio is defined as the ratio of the length of the opposite side to the length of the adjacent side in a right triangle. Therefore, the correct choice is Opposite/Adjacent.

Cotangent ratio?

• Adjacent/Opposite

• Opposite/Adjacent

• Hypotenuse/Adjacent

• Hypotenuse/Opposite

Answer explanation

The cotangent ratio is defined as the ratio of the length of the adjacent side to the length of the opposite side in a right triangle. Therefore, the correct choice is Adjacent/Opposite.

Solve for P (Round to Nearest Tenth)

• 25.6

• 24.5

• 23.4

• 34.2

Answer explanation

To solve for P, we find that the calculations lead to a value of 25.6 when rounded to the nearest tenth. This matches the correct answer choice.

What is the value of sin(90°)?

• 0

• 1

• 0.5

• Undefined

Answer explanation

The value of sin(90°) is 1 because at 90 degrees, the sine function reaches its maximum value. Therefore, the correct answer is 1.

What is the value of cos(0°)?

• Undefined

• 0

• 1

• 0.5

What is the value of tan(45°)?

• 1

• 0

• 0.5

• Undefined

What is the value of cot(90°)?

• Undefined

• Infinity

• 1

• 0

How do we find the angle measure when given an opposite and an adjacent?

• Use inverse tan!

• Use inverse Sin!

• Use inverse Cos!

• Dont use any!