Trigonometryeasy · Past Paper

What is (1 + tan^2(x)) equal to?

Acot^2(x)
Bsec^2(x)
Ccosec^2(x)
Dcos^2(x)

✓ Correct Answer: Bsec^2(x)

This is a direct application of the Pythagorean identity for secant and tangent.

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