If a line makes angles `90°`, `60°` and `θ` with `x`, `y` and `z`-axis respectively, where `θ` is acute, then find `

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Q 1115356260.     If a line makes angles `90°`, `60°` and `θ` with `x`, `y` and `z`-axis respectively, where `θ` is acute, then find `θ`
A

`30°`

B

`60°`

C

`90°`

D

`45°`

HINT

Use cosine rule

Solution
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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