Trigonometry Crosswords

This printable crossword puzzle on the topic of Trigonometry has 10 clues. Answers range from 4 to 13 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.

What is the triangle with one angle that measures 90 degrees?
What is the mnemonic used to remember the formulas in getting the ratio of sine, cosine, and tangent?
What is the longest side of a right triangle?
Who discovered Pythagorean Theorem?
What is a plane figure that has three sides and three angles?
What is the inverse of sine?
What is the inverse of tangent?
What is the inverse of secant?
The two sides of a 45-45-90 right triangle is?
With respect to the given angle what is the ratio of opposite over hypotenuse?