Sin and Cos of Complementary Angles
Videos and lessons to help High School students learn how to
explain and use the relationship between the sine and cosine of
sin θ = cos(90 - θ)
Common Core: HSG-SRT.C.7
Sine and Cosine Relationships of Complementary angles.
Sine and Cosine of complementary angles are congruent.
Complementary Angle Theorem.
Complementary Angles with Trig Ratios
Complementary angles in trigonometry.
Complementary angles in trig.
Cofunctions of Complementary Angles.
This video explains the cofunction identities and how to determine
cofunctions given a function value. Most cofunction values are
verified on a calculator.
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