Find the exact values of sin(θ/2), cos(θ/2), and tan(θ/2) for the given condition. 3 tan θ = 3; −180°

Name: Find Exact Values of half angles for sin, cos & tan Given that 3 tan(x) = 3 and angle x in 3rd quad
Uploaded: 2019-07-17T23:55:08+00:00
Duration: 10 min 54 s
Description: Answer by Victoria V. to Find the exact values of sin(θ/2), cos(θ/2), and tan(θ/2) for the given condition. 3 tan θ = 3; −180° < θ < −90°

Question

Find the exact values of sin(θ/2), cos(θ/2), and tan(θ/2) for the given condition. 3 tan θ = 3;    −180° < θ < −90°

Victoria V. · Accepted Answer

Please see video.

Patrick B. · Answer

tan T = 1THe base angle is 45 = pi/4Since the domain is in quadrant 3, the angle is T=225.T/2 = 112.5sine is 0.923879532511286756128318939679...cos is -0.3826834323650897771728459940304..tan is -2.4142135623730950488016887242097

Find the exact values of sin(θ/2), cos(θ/2), and tan(θ/2) for the given condition. 3 tan θ = 3; −180° < θ < −90°

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