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Trigonometric Ratio and Identites question

2021 · 16 Mar · Shift 1 · Q34

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JEE Main
Mathematics
Trigonometric Ratio and Identites
2021 · 16 Mar · Shift 1 · Q34

Trigonometric Ratio and Identites question

2021 · 16 Mar · Shift 1 · Q34

JEE MainMathematicsTrigonometric Ratio and IdentitesMCQ+4 / −1

If for x

\in

\left( {0,{\pi \over 2}} \right)

, log10sinx + log10cosx =

-

1 and log10(sinx + cosx) =

{1 \over 2}

(log10 n

-

1), n > 0, then the value of n is equal to :

A
16
B
9
C
12
D
20

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