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Maths-

General

Easy

Question

The possible values of $theta element of left parenthesis 0 comma pi right parenthesis$ such that $sin invisible function application theta plus sin invisible function application 4 theta plus sin invisible function application 7 theta equals 0$ are :

$\frac{2 π}{9}, \frac{π}{4}, \frac{π}{2}, \frac{2 π}{3}, \frac{3 π}{4}, \frac{35 π}{6}$
$\frac{2 π}{9}, \frac{π}{4}, \frac{π}{2}, \frac{2 π}{3}, \frac{3 π}{4}, \frac{8 π}{9}$
$\frac{2 π}{9}, \frac{π}{4}, \frac{4 π}{9}, \frac{π}{2}, \frac{3 π}{4}, \frac{8 π}{9}$
$\frac{π}{4}, \frac{5 π}{2}, \frac{π}{2}, \frac{2 π}{3}, \frac{3 π}{4}, \frac{8 π}{9}$

The correct answer is: $fraction numerator 2 pi over denominator 9 end fraction comma pi over 4 comma fraction numerator 4 pi over denominator 9 end fraction comma pi over 2 comma fraction numerator 3 pi over denominator 4 end fraction comma fraction numerator 8 pi over denominator 9 end fraction$

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