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This is a question of straight linesIf theta is the angle between the lines represented by x2-3xy+∂y2+3x-5y+2=0 where delta is a real number then cosec2 theta equals:9,3,10 or 100?

Amogh Dasture , 9 Years ago
Grade 11
anser 1 Answers
Nishant Vora

Last Activity: 9 Years ago

Use this formula to find ∂ first


abc + 2fgh – af2 – bg2 – ch2 = 0

There after we can use angle between 2 SL’s formula

tan⁡θ=|m1-m2 / 1+m1⁢m2|.

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