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79. tan(x) + tan(2x) =1 - tan(x)tan(2x)

79. tan(x) + tan(2x) =1 - tan(x)tan(2x)

Trigonometry (11th Edition)
Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE: 1. Give the measures of the complement and the supplement of an angle measuring 35°.
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can you help me find all the solutions between 0 and 360 degrees for problem 79 and 71? 

68. sin(2e) + sin-)- -(--) 69. sin(-x) tan(-x) (x-)um onba CSC = (x-)soo %3D (x),100 + (x-)so0 +I (x)+ (x),s 1-(*)00 + (x),os = (x-)us + (x),un 7L tan (x-)soo L 74. tansin(x)-0 0%3D 75. sin(x) + sin(3x) = 0 76. cos(3x) - cos(5x) 0 - (17-)us(x)us- (x7-)so0(x)soo 2. -dp pune 78. sin(x)cos(-2r) + cos(x)sin(-2x) = %3D 79. tan(x) + tan(2x) =1- tan(x)tan(2x) %3D 80. tan(x)- tan(2x) = 1 + tan(x)tan(2x) AOne way to solve an equation with a graphing calculator is to rewrite the equation with 0 on the right-hand side, then graph the function that is on the left-hand side. The x-coordinate of each x-intercept of the graph is a solution to the original equation. For each equation find all real solutions (to the nearest tenth) in the in-
Transcribed Image Text:68. sin(2e) + sin-)- -(--) 69. sin(-x) tan(-x) (x-)um onba CSC = (x-)soo %3D (x),100 + (x-)so0 +I (x)+ (x),s 1-(*)00 + (x),os = (x-)us + (x),un 7L tan (x-)soo L 74. tansin(x)-0 0%3D 75. sin(x) + sin(3x) = 0 76. cos(3x) - cos(5x) 0 - (17-)us(x)us- (x7-)so0(x)soo 2. -dp pune 78. sin(x)cos(-2r) + cos(x)sin(-2x) = %3D 79. tan(x) + tan(2x) =1- tan(x)tan(2x) %3D 80. tan(x)- tan(2x) = 1 + tan(x)tan(2x) AOne way to solve an equation with a graphing calculator is to rewrite the equation with 0 on the right-hand side, then graph the function that is on the left-hand side. The x-coordinate of each x-intercept of the graph is a solution to the original equation. For each equation find all real solutions (to the nearest tenth) in the in-
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Hi, i checked the question for number 71, I think it is suppose to be 1+ cos(-x) not csc(-x). can you maybe tried again?

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