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Trigonometry, just the first one, will mark as brainliest if helpful

Trigonometry Just The First One Will Mark As Brainliest If Helpful class=

Sagot :

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Answer:

a = -0.5

b = −1.73

c = −0.70

d = [tex]-\frac{\sqrt{2} }{2}[/tex] ≈ -0.70710678

Step-by-step explanation:

EXPLAIN Q(a):

sin(−30)

Use the property sin(−x)=−sin(x).

−sin(30)

Get the value of sin(30) from trigonometric values table.

-0.5

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