Tangent, Sine and Cosine Ratios

Which trigonometric ratio is correct?

• sin A = opposite / adjacent

• cos A = opposite / hypotenuse

• tan A = opposite / adjacent

• sin A = adjacent / opposite

cos X = ?

• ¹⁵/₁₇

• ⁸/₁₇

• ¹⁷/₈

• ¹⁵/₈

Which ratio is correct?

• sin Z = 5 / 13

• tan Z = 12 / 5

• cos X = 13 / 12

• sin X = 5 / 13

Choose the correct equation that could be used to solve for x.

• cos (33) = x / 14

• sin (33) = x / 14

• cos (33) = 14 / x

• sin (33) = 14 / x

Choose the correct equation that would solve for x.

• sin (37) = x / 14

• cos (37) = x / 14

• tan (37) = x / 14

• sin (37) = 14 / x

Which trig function would be used to solve for x?

• cosine

• tangent

• sine

Which trig function would you use to solve for x?

• sine

• cosine

• tangent

Using your calculator, find cos 25° to 4 decimal places.

• 0.9912

• 0.9063

• 0.4226

• 0.4663

Solve for x, to the nearest tenth.

Write out and submit work.

• 8

• 14

• 19.8

• 9.9

• A
• B
• C
• D