 Find the value of the other five trigonometric functions.

Section 4.7

 Ensure that your calculator is set to radians [MODE]  ensure “Radian” is highlighted  [2nd] [SIN]  sin -1  [2nd] [COS]  cos -1  [2nd] [TAN]  tan -1

 Use a calculator to find the value (in radians) to four decimal places of:

 Read Section 4.7  Page 522 #1-29 Odd  Page 522 #31-69 Odd

 20 questions, 5 points each  100 points possible 5 th Period6 th Period Minimum3935 Mean Median Maximum10096

 In Exercises 1-18, find the exact value of each expression.  In Exercises 19-30, use a calculator to find the value of each expression rounded to four decimal places.

 Find the inverse of  Look back at your notes from 1.8 if you don’t remember how to do this.

 Find the exact value, if possible, of:

 Read Section 4.7  Page 522 #1-?? Odd  Page 522 #??-69 Odd

 Simplify each of the following

 Find the exact value of

1. Look at your inner function to determine what quadrant the angle is in 2. Draw a right triangle that fits your inner function 3. Use the Pythagorean Theorem (or Pythagorean Triples) to find the other side length 4. Use the triangle to find the outer function value

 Find the exact value of

 Write an algebraic expression for

 Read Section 4.7  Page 522 #1-29 Odd  Page 522 #31-69 Odd