Trigonometry year 9

Front

What is the ratio for Cosine?

Back

Adj/Hyp

Front

Which trigonometric ratio should you use for finding the opposite side?

Back

Sine Ratio

Front

What is the ratio for Tangent?

Back

Opp/Adj

Front

What is the ratio for Sine?

Back

Opp/Hyp

Front

How do you find the length of a side in a right triangle using trigonometry?

Back

Use the appropriate trigonometric ratio based on the known sides or angles.

Front

What is the formula for finding the missing angle in a right triangle?

Back

Use the inverse trigonometric functions: sin⁻¹, cos⁻¹, or tan⁻¹.

Front

If the adjacent side is 5 cm and the hypotenuse is 13 cm, what is the cosine of the angle?

Back

Cosine = Adj/Hyp = 5/13.

Front

If the opposite side is 7 cm and the adjacent side is 24 cm, what is the tangent of the angle?

Back

Tangent = Opp/Adj = 7/24.

Front

What is the sine of a 30° angle?

Back

0.5

Front

What is the cosine of a 60° angle?

Back

0.5