kellerpaula kellerpaula

22-03-2020
Mathematics

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Trigonometry
Special Right Triangles
Find the exact value of cos 60* - cot 30* - cot 90*.

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amna04352 amna04352

22-03-2020

Answer:

½ - sqrt(3)

Step-by-step explanation:

cos(60) = ½

tan(30) = 1/sqrt(3)

cot(30) = sqrt(3)

tan(90) is undefined

cot(90) = 0

½ - sqrt(3) -0

½ - sqrt(3)

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