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A line makes angles with the coordinate axes. If then is equal to
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a
1+sin2α
b
1+cos2α
c
1−sin2α
d
1
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Correct option is A
β=π2−αcos2α+cos2β+cos2γ=1⇒γ=900cosα+cosβ+cosγ2=(cosα+sinα)2
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