3. Find exact solutions on the interval [0,21). 6cos2x + 7 sin x - 8 =...
a) Find all exact solutions on (0,21) of 8 sin²x + 6 sinx + 1 = 0. b) Fine all exact solutions on (0,21) of sin’x - cos²x = 0.
Solve the equation on the interval [0,21). sin (20) = -1 What are the solutions to sin - in the interval [0,21)? Select the correct choice and fill in any answer boxes in your choice below. O A. 0= (Simplify your answer. Type an exact answer, using a as needed. Type your answer in radians. Use integers or fractions for any numbers in the expression. Use a comma to separate answers as needed.) OB. There is no solution.
10. Find the radian angle solutions of the equation in the interval [0,21). Approximate the solutions to two decimal places. Find the reference angle, Or, and then find the solutions in the appropriate quadrants. sin? 0-2 sine -1 = 0
Solve the equation for solutions in the interval [0,21). Use algebraic methods and give exact values. Support your solutions graphically. sin = 1 - sin Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. The solution set is (Use a comma to separate answers as needed. Type exact answers, using it as needed.) OB. The solution is the empty set.
In Exercises 18-21, solve each trigonometric equation on the interval for [0,21). Use exact values for at angular solutions, expressed in radians (SHOW ALL WORR) 18. 4 tan x - 3 = 3 tan x - 4 19. 4 sinº x = 1 20. 2 sinx -3 sin x - 2 = 0 21. 2 sin? + + cos x = 1
Find all solutions in the interval [0, 21). 2 sin ?x-3 sin x= -1 (Type an exact answer, using it as needed. Use a comma to separate
Use an identity to solve the equation on the interval [0,21). sin ?x-4 cos x + 4 = 0 What is the solution in the interval [0,21)? Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. X= (Type your answer in radians. Use integers or fractions for any numbers in the expression. Type an exact answer, using a as needed. Use a comma to separate answers as needed.) B. There is...
8. Find all exact solutions in the interval (0, 2) of the equation: (Select all correct answer.) 2 sin(x) + 3 cos(x) - 3 = 0
Find the exact solutions of the equation in the interval [0, 27) sin 2x + cos x = 0 (smallest value) x-l 」(largest value)
Use an identity to solve the equation on the interval (0,21). 3 sin 4x cos x- sin x cos 4x = -