5 Questions
What is the period of the function y = 2sin(3x)?
2π/3
If sin(x) = 3/5, what is the value of cos(x)?
4/5
What is the amplitude of the function y = 2cos(πx)?
2
In a right triangle, if the length of the hypotenuse is 10 and one of the acute angles is 30°, what is the length of the side opposite the 30° angle?
5/√3
What is the law of cosines formula for finding the third side of a triangle given two sides and the included angle?
c^2 = a^2 + b^2 - 2ab cos(C)
Test your knowledge of trigonometric functions, graphing, solving equations, and identities. Practice finding missing sides and angles using inverse trigonometry, law of sines, and law of cosines. Apply trigonometry to real-world problems involving angles of elevation and depression.
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