Use trigonometric ratios to compute measurements of right triangles.
Learn how to find the side lengths of a right triangle using the Pythagorean theorem:
Show your work for solving the unknown measurements of a triangle:
Evaluate sine, cosine, tangent, secant, cosecant and cotangent functions.
See the steps for how to find the values of a trigonometric function:
Solve and manipulate expressions involving trigonometric functions.
Explore the steps for solving trigonometric equations:
Expand trigonometric expressions with the steps provided:
Perform double angle reductions:
Show the steps to expand expressions using the triple angle formulas:
Prove and reason with trigonometric identities.
See the steps for how to apply the Pythagorean identity:
Show how to apply the negative-angle identity using even and odd properties step by step:
Get step-by-step solutions for applying the sum and difference formulas:
Explain step by step how to prove trigonometric identities: