Perpendicular lines are negative reciprocals of each other: How to prove using trigonometry

Mar 11, 2025 4:03 PM

DigitalSplendid

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Slopes of perpendicular lines are negative reciprocals of each other

geometry

trigonometry

heller8790

Well now, I would not cosin if I was us.

5 months ago | Likes 1 Dislikes 0

filiuspelei

Write tan(theta) and sin(theta)/cos(theta) and then use the sum formulas for sine and cosine

5 months ago | Likes 4 Dislikes 0

bluto1415

5 months ago | Likes 2 Dislikes 0