Question

What is value of sin 150

.

(a) −



(b) +



(c)



(d) -



​

Answer 1

Answer:

First of all, observe that 150=180−30 . the answer comes from the fact that cos(30)=√32 and sin(30)=12 are known values.

Answer 2

Answer:

- 0.5

Step-by-step explanation:

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