Trigonometry
Practice sine, cosine, and tangent ratios in right triangles.
4 questions
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What is the value of tan( 92π ⁄ 3 ) ?
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If angle B of isosceles triangle ABC is a right angle, what is the tangent of angle A?
Easy - View question →
Diagonal AC of rectangle ABCD creates angle ACB, the tangent of which is 8. If the length of side BC is 8 units, what is the perimeter of rectangle ABCD?
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Diagonal AC of rectangle ABCD creates angle ACD, the cosine of which is 12/13. If the lengths of the sides of rectangle ABCD are all integers, which of the following could be the perimeter of rectangle ABCD?
Hard