Trig Proofs Worksheet - Two other important identities can be derived from this one. Web remember that cos2 θ means (cos θ)2 = cos θ cos θ. If 3 cos 2 t , then sec ?t 3. Prove the following trigonometric identity. Web trigonometric identities worksheet introduction to identities 1. Given a trigonometric identity, verify that it is true. Work on one side of the equation. If 3 sin 5 t , then csc ?t 2.
Work on one side of the equation. Given a trigonometric identity, verify that it is true. Prove the following trigonometric identity. If 3 sin 5 t , then csc ?t 2. Two other important identities can be derived from this one. Web trigonometric identities worksheet introduction to identities 1. If 3 cos 2 t , then sec ?t 3. Web remember that cos2 θ means (cos θ)2 = cos θ cos θ.