OpenStax, Algebra and Trigonometry 2e §7.2 Right Triangle Trigonometry · Exercise 8 · Trigonometry · Right triangles
Right Triangle Trigonometry · Exercise 8
Use cofunctions of complementary angles.
csc \left(21°\right) = sec \left(___°\right)
This exercise has fill-in blanks from its source book and no answer key.
OpenStax, Algebra and Trigonometry 2e · §7.2 Right Triangle Trigonometry · Exercise 8
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