Inverse Functions

• Here is a quick exercise..........

• (remember to give your answers in radians):

• 1. What angle has a sine of 0.25 ?

• 2. What angle has a tangent of 3.5 ?

• 3. What angle has a cosine of ñ0.4 ?

• 4. What is sec ö/2 ?

• 5. What is cot 5ö/3 ?

• 6. What is arctan 10 ?

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