Find the exact value of sec30º.
2 answers:
Answer:
sec (30∘) = 2√3
Explanation:
Trigonometry.
sec(θ) = 1/cos(θ) (fraction) =
hypotenuse/
adjacent side
(Fraction)
Answer:
2 /√3 or 2√3 / 3.
Step-by-step explanation:
Referring to the 30-60-90 triangle: hypotenuse = 2 , smaller leg = 1 and longer leg = √3 and the shorter side is opposite the 30 degree angle.
So cos 30 = √3/2
Sec 30 = 1 / cos 30
= 2 /√3
or 2√3 / 3.
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