Question

11. What is tan(3π/4)? Explain your thinking.
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Answer 1

Answer:

We have the formula tan(π - x) = -tanx, where 0 < x < π/2;

But, 3π/4 = π - π/4, where 0 < π/4 < π/2;

tan(3π/4) = tan(π - π/4) = -tan(π/4) = -1;

Step-by-step explanation: