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(Unlimited) SAT Math: Trigonometry

 
In triangle DEF, angle F is a right angle. If sinD=\dfrac{35}{37}, what is cosD?
If sin(2x + 15) = cos(3x + 45), what is the value of x? Round your answer to the nearest whole number if necessary.
In triangle GHI, angle I is a right angle. If sinG=\dfrac{3}{5}, what is cosG?
If sin(3x + 6) = cos(4x + 21), what is the value of x? Round your answer to the nearest whole number if necessary.
If sin(2x + 7) = cos(6x + 43), what is the value of x? Round your answer to the nearest whole number if necessary.

 

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