Question

Find the distancebbetween the points ( cos35°,0) and (,cos55°)

Answer 1

Answer:

1

Step-by-step explanation:

(Cos35°, 0 ) and (0,Cos55°)

Distance between two points = √(x₂ - x₁)² + (y₂ - y₁)

= √ (0 - Cos35°)²  + (Cos55 - 0)²

= √Cos²35 + Cos²55

= √ [Cos (90 - 55)]² + Cos²55    [∵ Cos(90 - θ) = SInθ]

= √[Sin55]² + Cos²55

= √Sin²55° + Cos²55°               [ ∵ SIn²θ + Cos²θ = 1]

= √1

= 1