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If a line makes angle 90°,135°,45°with …

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If a line makes angle 90°,135°,45°with the x,y,zaces respectively,find its direction cosines

    • Posted by Subham Sahu 5 years, 6 months ago

    CBSE > Class 12 > Mathematics
    • 1 answers

    Advait Gaur 5 years, 6 months ago

    It is easy. Cos(90) = l = 0 Cos(135) = m = -1/√2 Cos(45) = n = 1/√2 Where l, m, n are direction cosines So direction cosines are as follow 0, -1/√2, 1/√2

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