Math, asked by guddupandey5532, 8 months ago

if cot theta is 3/4 find other trignomatric ratio​

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Answered by indrahans53
1

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Answered by Anonymous
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  \huge \underbrace \mathfrak{answer} \\  \\ cos \:  \theta =  \frac{3}{4}  =  \frac{adjacent \: side}{hypotenuse \: side}  =  \frac{ab}{ac}  \\  \\ now \\  \\ pythagorus \:formula \\  \\  {bc}^{2}   =  {ac}^{2}  -  {ab}^{2}  \\  \\  {bc}^{2}  =  {4}^{2}  -  {3}^{2}  \\  \\  {bc}^{2}  = 16 - 9 \\  \\  {bc}^{2}  = 7 \\  \\ bc =  \sqrt{7}  \\  \\ other \:  \: ratios \\  \\ sin \:  \theta \:  =  \frac{bc}{ac}  =  \frac{ \sqrt{7} }{4}  \\  \\ tan \:  \theta =  \frac{ab}{bc}  =  \frac{3}{ \sqrt{7} }  \\  \\ cosec \:  \theta =  \frac{ac}{bc}  =  \frac{4}{ \sqrt{7} }  \\  \\ sec \:  \theta =  \frac{ac}{ab}  =  \frac{3}{4}  \\  \\ cot \:  \theta =  \frac{ab}{bc}  =  \frac{3}{ \sqrt{7} }

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