Math, asked by Dipeshthakut, 11 months ago

Tan square 30 - sin square 30 upon tan square 45 + cos square 30








Answers

Answered by sachinarora2001
0

Solve .....

tan²30 - sin²30 /tan²45 + cos²30

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Solution....

 \frac{ \tan {}^{2}30 -  \sin {}^{2} 30  }{ \tan {}^{2} 45 +  \cos^{2} 30  }  \\  \\  =  >  \frac{ \frac{1}{ \sqrt{3} }  -  \frac{1}{2} }{1 -  \frac{ \sqrt{3} }{2} } \\  \\   =  >    \frac{ \frac{2 -  \sqrt{3} }{2 \sqrt{3} } }{ \frac{2 - 2 \sqrt{3} }{2} }    \\  \\  =  >  \frac{2 -  \sqrt{3} }{2 \sqrt{3} }  \times  \frac{2}{2 - 2 \sqrt{3} }  \\  \\  =  >  \frac{2(2 -  \sqrt{3}) }{2 \sqrt{3} (2 - 2 \sqrt{3}) }

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Hope it's helps you ☺️

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Values of trigonometry ....

sin 30° = 1/2

cos 30 = 3/2

tan 45° = 1

tan 30° = 1/3

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Thanks

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