Simplify the given expression:

cos A

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sin A

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cot A

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tan A

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Solution

The correct option is A cos A

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Similar questions

\lim_{x \to π / 2} \frac{a^{\cot x} - a^{\cos x}}{\cot x - \cos x}

If $f (x) = ∣ ∣ ∣ ∣ \begin{matrix} s i n x & s i n a & s i n b c o s x & c o s a & c o s b t a n x & t a n a & t a n b \end{matrix} ∣ ∣ ∣ ∣,$

where $0 < a < b < \frac{π}{2}$
then the equation
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acosφ=bcosθ

Show that

atanθ+btanφ=(a+b) tan (θ+φ) ÷2

sin 1^{\circ} . sin 2^{\circ} . . . . . sin 181^{\circ}

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