Question

If cot 50º = a, write sin 50° in terms of a.
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Answer 1

Step-by-step explanation:

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Answer 2

Answer:

cot 50° = a

tan 50° = 1/a

AC² = AB² + BC²

AC² = a² + 1

AC = √ a² + 1

sin 50 = AB/AC = 1 / √ a² + 1 = 1 / 1 a²

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