Double Angle Identities

6. Trigonometric Identities and More Equations / Double Angle Identities / Problem 5

Problem 5

Determine the value of the trigonometric expression:
(2 tan 67.5°)/(1 - tan² 67.5°)

√2

(√3)/3

-1

Determine the value of the trigonometric expression:(2 tan 67.5°)/(1 - tan2 67.5°)