Math - 2019-20
T.5 - Trigonometric Identities
T.5 The student will verify
basic trigonometric identities and make substitutions, using the basic identities.
UNDERSTANDING THE STANDARD
2016 VDOE Curriculum Framework - T.5 Understanding
· Trigonometric identities can be used to simplify trigonometric expressions, equations, or identities.· Trigonometric identity substitutions can help solve trigonometric equations, verify another identity, or simplify trigonometric expressions.
The student will use problem solving, mathematical communication, mathematical reasoning, connections, and representations to
· T.51 Use trigonometric identities to make algebraic substitutions to simplify and verify trigonometric identities. The basic trigonometric identities include
– reciprocal identities;
– Pythagorean identities;
– sum and difference identities;
– double-angle identities; and
– half-angle identities.