Applying Trigonometric Identities and Equations — Test
Question 11 • Precalculus
What is the fraction with numerator 2 tangent open paren 10 degrees close paren and denominator 1 minus tangent squared of open paren 10 degrees close paren expressed as a single trigonometric ratio?
Answer
A
negative tangent times open paren 20 degrees close paren
B
negative tangent times open paren 5 degrees close paren