Trigonometrymedium · Past Paper
If tan theta + cot theta = 2, find tan^2 theta + cot^2 theta.
A4
B2
C1
D0
✓ Correct Answer: B — 2
Squaring both sides: tan^2 + cot^2 + 2(tan)(cot) = 4. Since tan*cot = 1, tan^2 + cot^2 = 4 - 2 = 2.
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✓ Correct Answer: B — 2
Squaring both sides: tan^2 + cot^2 + 2(tan)(cot) = 4. Since tan*cot = 1, tan^2 + cot^2 = 4 - 2 = 2.
Share this question