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4 votes
Determine the sign (+ or -) of Tan 192 degrees without using a calculator.

User OcuS
by
6.4k points

1 Answer

4 votes

Answer:

Explanation:

  • 192 is more than 180 but less than 270. That means that Tan(192) is in the 3rd quadrant.
  • The tangent is positive in Quad 3.
  • Therefore the sign is +

I promise, no calculator was used.

User Adriano Rivolli
by
6.0k points
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