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weeeeeb [17]
4 years ago
8

Which expression is equivalent to sin 7pi/6?

Mathematics
2 answers:
Usimov [2.4K]4 years ago
8 0

Answer:

\sin \frac{11 \pi}{6} \text { is equivalent to } \sin \frac{7 \pi}{6}

Option: D

Step-by-step explanation:

\text { Given that, } \sin \frac{7 \pi}{6}

To find the equivalent option,

\text { We know that } \pi=180^{\circ}

\text { Take, sin } \frac{7 \pi}{6} \text { substitute the value of } \pi=180^{\circ} \text { then, }

\sin \frac{7 \times 180}{6}

=\sin \frac{1260}{6}

= sin 210

= -0.5

\sin \frac{7 \pi}{6}=-0.5

Now, check for all the options, select the option which is equal to -0.5.

Check for option: D  

\sin \frac{11 \pi}{6}\left(\pi=180^{\circ}\right)

=\sin \frac{11 \times 180}{6}

=\sin \frac{1980}{6}

= sin 330

= -0.5

\sin \frac{11 \pi}{6}=-0.5

\text { Therefore, } \sin \frac{11 \pi}{6}=\sin \frac{7 \pi}{6}

sp2606 [1]4 years ago
6 0

Answer:

D. sin 11pi/6

Step-by-step explanation:

this is correct on ed-genuity, hope this helps! :)

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