Rewrite the expression sec (a) + csc (a) 1 + tan(x) in terms of sin (a). sec (a) + csc(a) Preview 1 + tan(x) Submit Question 4. Points possible: 1 License Unlimited attempts.311 AM Fri Mar 15 imathas.rationalreasoning.net & T @ %14 Consider the right triangle shown below. /N a. Use the Pythagorean Theorem to write an equation relating z, y, and 7. T b. Write a formula that expresses in terms of 7 and 6. e c. Write a formula that expresses y in terms of r and 6. T d. Use your answers to parts (a)-(c) to write an equation relating cos(8), sin(6), and r. e Submit Question 1. Points possible: 4 Unlimited attempts. License Each of the following expressions has a single numerical value for all 8 where the expression is defined. Determine the numerical value of each expression and make sure to enter a single number. 5 bhh mM8M8M = sec2(f) tan?(8) :] c. (cos?(8) + sin(6)) (sec*(9) tan'(0)) = sin(d) cos(f) e csc(6) * sec(0) Submit Question 3. Points possible: 2 License Unlimited attempts. Take a moment to skim this table of trigonometric symmetries . Then, complete the following identities using the identities from the table. a. sin(- x) = Preview b. cos(- x) = Preview c. tan(- x) = Preview Submit Question 5. Points possible: 3 License Unlimited attempts