ACT Math 3.4 Trigonometry
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ACT Math: Trigonometry Drill 3, Problem 4. Which of the following answer choices is true?
|Foreign Language||Arabic Subtitled|
|Geometry||Right Triangles and Trigonometry|
|Product Type||ACT Math|
Use of trigonometric identities
Values and properties of trigonometric functions
over cosecant alpha. Remember that cosecant is the reciprocal of
sine. So sin alpha equals 1 over cosecant alpha. This one's true.
Answer choice B...secant equals 1 over cosine yup. Secant is the reciprocal of cosine. Check!
Ok, last one. Tangent alpha equals sin alpha over cosine alpha. Again, we just have to
know it but yeah, this one works, too.
Because A, B, and C are all correct. Answer choice E is the one we want.