Objective: I know how to find the trigonometry functions sin, cos and tan.

The three common trigonometry functions are tangent, sine and cosine.

You may use want to use some mnemonics to help you remember the trigonometric functions. One common mnemonic is to remember the Indian Chief SOH-CAH-TOA.

Refer to the lesson on trigonometric functions for more information and examples.

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!

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