Class 10 - Maths - 1 Mark Questions Asked in Previous Years Examinations
Q1: If secθ.sinθ = 0, find tan θ.
Answer:
secθ.sinθ = tan θ = 0
⇛ tan θ = tan 0°
∴ θ = 0°
Q2: If tan(3x + 30°) = 1, find the value of x
Answer:
tan(3x + 30°) = 1 = tan 45°
3x + 30° = 45°
3x = 45 - 30 = 15
x = 5°
Q3: When are two triangles said to be similar?
Answer: Two triangles are said to be similar when corresponding sides are proportional and angles are equal.