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Use the cosine of a sum and cosine of a difference identities to find cos (s + t) and cos (s-t). 3 and sin t= 12 sin s = s in quadrant Il and t in quadrant IV 13

Use the cosine of a sum and cosine of a difference identities to find cos (s + t) and cos (s-t). 3 and sin t= 12 sin s = s in quadrant Il and t in quadrant IV 13

Intermediate Algebra
Intermediate Algebra
19th Edition
ISBN:9780998625720
Author:Lynn Marecek
Publisher:Lynn Marecek
Chapter11: Conics
Section11.1: Distance And Midpoint Formulas; Circles
Problem 11.6TI: Use the Distance Formula to find the distance between the points (2,5) and (3,4). Write the answer...
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Use the cosine of a sum and cosine of a difference identities to find cos (s+t) and cos (s -t). 3 sin s =- and sint= - 12 s in quadrant Il and t in quadrant IV 13 cos (s +t) = (Simplify your answer, including any radicals. Use integers or fractions for any numbers in the e cos (s -t) = (Simplify your answer, including any radicals. Use integers or fractions for any numbers in the e-
Transcribed Image Text:Use the cosine of a sum and cosine of a difference identities to find cos (s+t) and cos (s -t). 3 sin s =- and sint= - 12 s in quadrant Il and t in quadrant IV 13 cos (s +t) = (Simplify your answer, including any radicals. Use integers or fractions for any numbers in the e cos (s -t) = (Simplify your answer, including any radicals. Use integers or fractions for any numbers in the e-
Solve the equation for exact solutions over the interval [0, 2n). 6 sec = 2 3 Select the correct choice below and, if necessary, fill in the answer box to complete your choice O A. The solution set is { }. (Type an exact answer, using n as needed. Type your answer in radians. Use integers a comma to separate answers as needed.) O B. The solution is the empty set.
Transcribed Image Text:Solve the equation for exact solutions over the interval [0, 2n). 6 sec = 2 3 Select the correct choice below and, if necessary, fill in the answer box to complete your choice O A. The solution set is { }. (Type an exact answer, using n as needed. Type your answer in radians. Use integers a comma to separate answers as needed.) O B. The solution is the empty set.
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