Trigonometrymedium · Past Paper
If sec theta = 5/4, find tan theta.
A3/4
B4/3
C3/5
D4/5
✓ Correct Answer: A — 3/4
sec = h/b = 5/4. Thus p = sqrt(5^2 - 4^2) = 3. tan = p/b = 3/4.
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