Simplifying Trigonometric Identities Worksheet. 1 cos θ 1 cos θ 6. Use the trigonometric identities tan x sin x cos x and cot x cos x sin x to write the given expression as tan 2 x cos 2 x cot 2 x sin 2 x sin x cos x 2 cos 2 x cos x sin x 2 sin 2 x and simplify sin 2 x cos 2 x 1.
Tan 2 θ sec 2 θ 4. 1 sec x 1 sec x 7. These identities are true for any value of the variable put.
Expressions using identities show your work on a separate sheet of paper.
Using identities to simplify trigonometric expressions. Advanced math trigonometric identities day 3 homework simplify. 1 sec x 1 sec x 7. Sin𝜃 cos𝜃 cos𝜃 sin𝜃 1 cos𝜃sin𝜃 5.
