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: B — sec^2(x)
This is a direct application of the Pythagorean identity for secant and tangent.
Share this question
More from Trigonometry
- A pole casts no shadow when the sun is directly overhead. What is the angle of elevation?
- If tan A = 1/2 and tan B = 1/3, what is the value of tan(A + B)?
- Evaluate: 4 sin² 60° + 3 tan² 30° - 8 sin 45° cos 45°
- What is the value of sin 60°?
- An observer 1.5 m tall is 20.5 m away from a tower 22 m high. What is the angle of elevation?