If 3 cot x = 4, then what is the value of (5 sin x + 3 cos x)/(5 sin x - 3 cos x)? We are given 3 cot x = 4, or cot x = 4/3. Now consider a right angled triangle, ABC, with BC as the base , right ...

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We can write cot(x)=cos(x) /sin(x) . Now we have to find for what value of x cos(x) = 0. Cos(x) = 0 for x = <(2n-1)/2>PI where n=1,2,3,……..n. So simply cot(x) = 0 have infinitely many solution in ...
https://math.stackexchange.com/questions/1955179/trigonometry-5-sin-x-cos-y4-cos-x-sin-y-0-cot-x-2-need-to-find-cot-y
Here's what you did wrong: You drew a right angled triangle with an angle x. Then you just went và guessed that the other angle was the y you needed to find. Your guess was wrong.
This kind of equations which phối polynomial & trigonometric terms vì chưng not, in general, show solutions which have a closed khung expression và almost only numerical methods would solve the problem. ...

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Nghi N. Jul 6, 2015displaystylecotx=frac1 anx=-1- o anx=-1 Trig table gives -->displaystylex=frac3pi4or 135 deg
x, equals, start fraction, 3, pi, divided by, 4, over fractionor 135 deg" role="text" class="MathExpression_mathExpression__22QI1 ">
Solve f(x) = cot x = -2Explanation:Calculator gives -> displaystylecotx=frac1 anx=-2 o anx=-frac12 ox=-26.57deg (Quadrant IV)Trig unit circle ...
cotangent, x, equals, start fraction, 1, divided by, tangent, x, over fraction, equals, minus, 2, o, tangent, x, equals, minus, start fraction, 1, divided by, 2, over fraction, o, x, equals, minus, 26, point, 57deg (Quadrant IV)Trig unit circle ..." role="text" class="MathExpression_mathExpression__22QI1 ">
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