Web13 apr. 2024 · If \( A \) is an obtuse angle, then \( \frac{\sin ^{3} A-\cos ^{3} A}{\sin A-\cos A}+\frac{\sin A}{\sqrt{1+\tan ^{2} A}}-2 \tan A \cot A \) is always equal t... Web14 apr. 2015 · Explanation: cosA = 5 13. sin2A = 1 − cos2a = 1 − 25 169 = 144 169. sinA = ± 12 13. There are 2 opposite values of sin A, because, when cos A = 5 13, the arc (angle) A could be either in Quadrant 1 or in …
If tan A = 4/3, then find the value of cos A - GeeksforGeeks
Web3 dec. 2024 · SOLUTION: Given That: → tan θ + cot θ = 2 → tan θ + 1/tan θ = 2 Let us assume that: → tan θ = x. Therefore: → x + 1/x = 2 → (x² + 1)/x = 2 → x² + 1 = 2x → x² - … WebIf cos a sin(2x) cos(2x) tan(2x) = = 2 x in quadrant II, then find exact values (without finding x) : 3 Question Help: 4√5 9 1 9 Video 1 Video 2 Message instructor Post to forum Question Transcribed Image Text: If cos x = sin(2x) 2 x in quadrant II, then find exact values (without finding x) : 3 = 4√5 9 cos(2x) tan(2x): Question Help: Video 1 Video 2 … redit play
How do you find cos if tan=3/4? Socratic
Web10 apr. 2024 · The tangent of an angle in a right triangle is equal to the length of the opposite side (O) divided by the length of the adjacent side (A). It is written simply as … WebFind the exact value of sin (2x), cos (2x) given tan x = - (4/23), - (pi/2) less than x less than 0. a) sin (2x) = (184/545), cos (2x) = (513/545). b) sin (2x) = - (184/545), cos (2x) =... WebIn a right triangle ΔABC, right angled at B. If tanA=1, then verify that 2sinA.cosA=1. Q. In ΔABC, right angled at B, if cot A = √3 then the value of cos A x sin C + sin A x cos C =. … redi towing vermillion sd