Math, asked by Twisha2005, 2 months ago

if sin theta= 3/5 value of (1-cos² theta) is​

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Answered by tamana2007
0

Answer:

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Answered by xxblackqueenxx37
29

  \sf\pink{given}

  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \: \sin(θ)  =  \frac{3}{5}  \\

 \sf\orange{now}

 \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  1 -  \cos(2θ)  \\

  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \: =  {2sin}^{2} θ \\

 \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  =  {2 \times ( \frac{3}{5}) }^{2}  \\

  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \: = 2 \times  \frac{9}{25}  \\

  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  =  \frac{18}{25} \\

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