BITSAT 2018 Slot 2 Solved Paper

Section: Mathematics

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Question : 118 of 150

Marks: +1, -0

A line makes angles α,β,γ with the coordinate axes. If α+β=

π

2

, then (cos‌α+cos‌β+cos‌γ)2 is equal to

1+cos‌2‌α
1−sin‌2‌α
1+sin‌2‌α
None of these

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