Pre calculus

Use the unit circle to find the value of cos it and periodic properties of trigonometric functions to find the value of cos 5x. Select the correct choice below and fill in any answer boxes in your choice. 12 O A. COST= (0.1) 4 (Type an exact answer, using radicals as needed. Simplify your answer. Rationalize the denominator.) O B. The solution is undefined. (-1,0) (1,0) Select the correct choice below and fill in any answer boxes in your choice. 12 ) /(0, -1) O A. cos 51= (Type an exact answer, using radicals as needed. Simplify your answer. Rationalize the denominator.) O B. The solution is undefined.Use the Pythagorean Theorem to find the length of the missing side of the R right triangle. Then find the value of each of the six trigonometric functions L of 0. a = 21 A b = 28 The length of the missing side of the right triangle is. (Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression.) Find the sine of the angle 0. sin 0 = (Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression.) Find the cosine of the angle 0. cos 0 =] (Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression.) Find the tangent of the angle 0. tan 0 = (Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression.) Find the cosecant of the angle 0. csc 0 = (Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression.) Find the secant of the angle 0. sec 0= (Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression.) Find the cotangent of the angle 0. cote = (Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression.)Find the exact value of each of the remaining trigonometric functions of 0. 5 COS 0 = 13. in Quadrant Ill sin 0 = (Simplify your answer. Type an exact answer, using radicals as needed. Use integers or fractions for any numbers in the expression.) tan 0 = (Simplify your answer. Type an exact answer, using radicals as needed. Use integers or fractions for any numbers in the expression.) cote = (Simplify your answer. Type an exact answer, using radicals as needed. Use integers or fractions for any numbers in the expression.) sec 0=_ (Simplify your answer. Type an exact answer, using radicals as needed. Use integers or fractions for any numbers in the expression.) CSC 0= (Simplify your answer. Type an exact answer, using radicals as needed. Use integers or fractions for any numbers in the expression.)Find the measure of the side of the right B triangle whose length is designated by a lowercase letter b. Round answers to the 217 in. nearest whole number. 60 0 A b C in (Do not round until the final answer. Then round to the nearest whole number.)