Question
Find the distance between the points P (2, -1, 3) and Q
(-5, 2, 1)?Solution
ATQ, we can say that d = β[(2 - (-5))2 + ((-1) - 2)2 + (3 - 1)2] = β(49 + 9 + 4) = β62 units
More Lines and Angles Questions
If tanθ = x then find the value of cos 2θ?
sin2 7 Β° + sin2 8 Β° + sin2 9 Β° + sin2 10 Β° + β¦β¦β¦ + sin2 83 Β° = ?
...
sin2 7Λ + sin2 9Λ + sin2 11Λ + sin2 12Λ + ……… + sin2 83Λ = ?
What is the value of [(sin x + sin y) (sin x β sin y)]/[(cosx + cosy) (cosy β cosx)]?
The value of (3tan10°-tan³10°)/(1-3tan²10°) is equal to
If 2x = cosec @ and 4/x = cot @ then the value of 2(x Β² - 1/x Β² ) is
If cosec (2A + B) = 2 and cosec (A + B) = 1, find the value of (3A β B).
tan 1Λ Γ tan 2ΛΓ β¦β¦β¦β¦β¦β¦β¦β¦.tan 88Λ Γ tan 89Λ = ?
If (sinθ+cosθ)/(sinθ-cosθ) = 2, then the value of sin4 θ is
Relevant for Exams:
