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3 cards from this section. Quick, good the night before a test.
If sin𝜃 = 3/5, what is csc𝜃?
Remember, csc is the reciprocal of sin.
Calculate sec𝜃 if cos𝜃 = 4/5.
Think reciprocal of cosine!
What is the reciprocal of sin𝜃?
Think about the definition of cosecant.
True or False: The reciprocal of cos𝜃 is sin𝜃.
Recall definitions of trigonometric ratios.
Given a right triangle with a hypotenuse of 15 cm and an opposite side of 9 cm, find sin𝜃, csc𝜃, and then find the sec𝜃.
Keep in mind the Pythagorean theorem to find the adjacent side.
If cot𝜃 = 5, and the opposite side is 4 cm, calculate the adjacent side and use it to find sec𝜃.
Start with finding adjacent from cotangent.
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