# Trigonometry basics solving quadratic equations

May 18th, 2015
RockCafe
Category:
Mathematics
Price: \$5 USD

Question description

1.  Solve the equation in the interval [00,360]. Use an algebraic method

12 sin2α – 6 sin α = 4

Tan2 α + 7tanα + 9 = 0

4cos2 αsin α+2cos2 α=0

2sin α-1=csc α

2.  Solve the equation in the interval 0<= α<2π

2sin2 α-sin α+11=0

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Sigchi4life
May 18th, 2015
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