Trigonometryeasy · Past Paper
In the identity sin^2 A + cos^2 A = ?, what is the missing value?
A0
B-1
C1
D2
✓ Correct Answer: C — 1
This is the fundamental Pythagorean identity of trigonometry.
Share this question
More from Trigonometry
- Solve for x: tan 3x = sin 45 cos 45 + sin 30.
- If A+B+C = 180, then sin^2 A + sin^2 B - sin^2 C = ?
- If base = 8 and hypotenuse = 10, find cos theta.
- If a bird is 40 m high and the angle of elevation from a boy is 30°, how far is the bird from the boy's eye?
- If sin θ + cosec θ = 2, then find sinⁿ θ + cosecⁿ θ.