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sin^2è + 2sinè +1 =0

  1. sin^2è + 2sinè +1 =0
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    2. Anonymous asked by Anonymous
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  2. The letters r and è represent polar coordinates. Write the equation using rectangular coordinates (x,y).r=1+2sinè I know that
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    2. Alex asked by Alex
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  3. Use a compound angle formula for sine to show thatsine2(theta) = 2sine(theta)cos(theta)
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    2. Anonymous asked by Anonymous
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  4. 1. Show that Sin3è - Cos2è = (1 - Sinè)(4Sin^2è + 2Sinè - 1).Without using a calculator, show that è = 18 degrees is an
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    2. Edwards asked by Edwards
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