Trigonometry

Special Right Triangles

Find the exact value of sec 30 * - sin 45 * + sin 90*.

Question

Mathematics

Dereon Hernandez

4 August, 04:30

Trigonometry

Special Right Triangles

Find the exact value of sec 30 * - sin 45 * + sin 90*.

+1

Answers (1)

Know the Answer?

Abby Gentry · Answer 1

2sqrt (3) / 3 - sqrt (2) / 2 + 1

Step-by-step explanation:

cos (30) = sqrt (3) / 2

sec (30) = 2sqrt (3) / 3

sin (45) = sqrt (2) / 2

sin (90) = 1

2sqrt (3) / 3 - sqrt (2) / 2 + 1

TrigonometrySpecial Right TrianglesFind the exact value of sec 30 * - sin 45 * + sin 90*.

Trigonometry

Special Right Triangles

Find the exact value of sec 30 * - sin 45 * + sin 90*.