if sina is equal to 3by4, calculate cosa and sina
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If Sina is Equal to
Equation For Sina & Cosa.
Equation.
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Sin A =
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( Hypotenuse )² = ( Hight )² + ( Base )²
AC² = AB² + BC²
(4x)² = AB² + (3x)²
16x² = AB² + 9x²
16x² – 9x² = AB²
7x² = AB²
AB² = 7x²
AB =
AB =
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