#4: Determine the sign of each of the following trigonometric functions in the quadrant specified. Exercise (a) for in quad. II (b) for in quad. IV (c) for in quad. III #5: If and then could be which of the following angles? Exercise (1) (3) (2) (4) We should also be able to produce all of the trigonometric ratios (all SIX of them) if we are given a right triangle. A right triangle is shown below with sides of length and #6: Exercise a b. (a) Find the length of the hypotenuse in terms of and Label on a b. the diagram. (b) State the value of each of the following trigonometric ratios in terms of the constants and a b. #7: If is an angle whose terminal ray lies in the fourth quadrant and , then determine the exact value Exercise of . Show how you arrived at your answer.
Exercise #4: Determine the sign of each of the following trigonometric functions in the quadrant specified. (a) for in quad. II (b) for in quad. IV (c) for in quad. III Exercise #5: If and then could be which of the following angles? (1) (3) (2) (4) We should also be able to produce all of the trigonometric ratios (all SIX of them) if we are given a right triangle. Exercise #6: A right triangle is shown below with sides of length a and b. (a) Find the length of the hypotenuse in terms of a and b. Label on the diagram. (b) State the value of each of the following trigonometric ratios in terms of the constants a and b. Exercise #7: If is an angle whose terminal ray lies in the fourth quadrant and , then determine the exact value of . Show how you arrived at your answer.