If θ is the angle between line whose ratios are a1, b1, c1 and the plane ax + by + cz + d = 0 then cos θ=\(\frac {a1a2.

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answerhappygod
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If θ is the angle between line whose ratios are a1, b1, c1 and the plane ax + by + cz + d = 0 then cos θ=\(\frac {a1a2.

Post by answerhappygod »

a) True
b) False
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