Trigonometryeasy · Past Paper
Identify the correct relation:
Asec^2(A) + tan^2(A) = 1
Bcosec^2(A) - cot^2(A) = 1
Csin^2(A) - cos^2(A) = 1
Dtan^2(A) - sec^2(A) = 1
✓ Correct Answer: B — cosec^2(A) - cot^2(A) = 1
This is one of the three fundamental Pythagorean identities.
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