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UPSC CDS Math Logarithm Questions

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Question : 1 of 16

Marks: +1, -0

What is the value of

log10(cos‌θ)+log10(sin‌θ)+log10(tan‌θ)+log10(cot‌θ)+log10(sec‌θ)+log10(cosec‌θ)

-1
0
0.5
1

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