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SAT Math: Trigonometry

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Lesson: Trigonometric Ratios

After you watch the lesson above, try this practice problem
In triangle RST, angle S is a right angle and \sin A =\dfrac{5}{13}. If ST is 12.5mm long, how long is RT?

Lesson: Sine & Cosine of Complementary Angles

After you watch the lesson above, try this practice problem
\sin(x)=0.26. What is the value of \cos(y), if x+y=90?

 

Go to SAT Course Home
Go to Practice: Trigonometry

Note: Do not move on until the activity above has been completed and submitted.