Right triangle $$\triangle {PQR}$$ is shown, where $${m}<{Q}$$ is not equal to $${m}<{R}$$. ![](http://admin.getprephub.com/media/editor/g16_20230225202425678571.png) Which expression is equivalent to $$\sin (Q)$$ ?

In $$\triangle P Q R$$, $$m< P+m< Q+m< R=180$$ Or, $$90+m< Q+m< R=180$$ Or, $$m< Q+m< R=90$$ Or, $${m}< Q=90-m< R$$ Since, $$< Q$$ and $$< R$$ are complementary to each other, $$\sin (Q)=\sin (90-R)=\cos (R)$$

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Right triangle $\triangle {PQR}$ is shown, where ${m}<{Q}$ is not equal to ${m}<{R}$ .

Which expression is equivalent to $\sin (Q)$ ?

Select all that apply :

$\cos (R)$

$\cos (P)$

$\sin (R)$

$\sin (P)$

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