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What is the value of cot(90°)? (2018)

Practice Questions

Q1
What is the value of cot(90°)? (2018)
  1. 0
  2. 1
  3. undefined
  4. ∞

Questions & Step-by-Step Solutions

What is the value of cot(90°)? (2018)
  • Step 1: Understand what cotangent means. Cotangent (cot) is the reciprocal of tangent (tan).
  • Step 2: Recall the angle we are working with, which is 90 degrees.
  • Step 3: Find the value of tan(90°). The tangent of 90 degrees is 0.
  • Step 4: Use the definition of cotangent: cot(90°) = 1/tan(90°).
  • Step 5: Substitute the value of tan(90°) into the equation: cot(90°) = 1/0.
  • Step 6: Recognize that dividing by zero is not possible, which means the value is undefined.
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