Math, asked by raj203288, 1 year ago

show that sin square plus cosec square theta greater than equal to 2​

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Answered by piyushsp8017
17

Please refer to this Attachment.

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Answered by vishalkumar2806
4

sin {}^{2} x + cosec {}^{2} x = 2 \\ cosec {}^{2} x \geqslant 1 + 1 - sin {}^{2} x \\  \frac{1}{sin {}^{2} x}   \geqslant  1 + cos {}^{2} x \\ \frac{1}{sin {}^{2}x }  - 1 \geqslant  cos {}^{2} x \\  \frac{1}{sin {}^{2}x }   \geqslant  1 \\ sin {}^{2} x \leqslant 1 \\  - 1 \leqslant sinx \leqslant 1  \\ value \: of \: sin \: lie \: bet \:  - 1 \: and \: 1


raj203288: please attach the answer
vishalkumar2806: ans yhi to h jo proof krna h usko ik general proof ke equal kr do
raj203288: kk
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