Multiple choice

If tan x = cot 45o, find the value of x.

  1. 45o

  2. 30o

  3. 55o

  4. 60o
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A Correct answer
Explanation

cot 45 = 1. tan x = 1. Since tan 45 = 1, x = 45 degrees.

AI explanation

Using the cofunction identity, cot 45 degrees is exactly 1. Therefore, tan x equals 1. Since the tangent of 45 degrees is 1, the value of x is 45 degrees.

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