Find the exact value of \(\sec\left(-\dfrac{\pi}{6}\right)\).
A\(\dfrac{3}{\sqrt{2}}\)
B\(\dfrac{1}{\sqrt{2}}\)
C\(\dfrac{3}{\sqrt{6}}\)
D\(\dfrac{2}{\sqrt{3}}\)
Mathematics · Question Bank
Trigonometry
84 of 124 questions match · page 5 of 5. Answer in your head first, then check the solution.
Give the degree measure of the angle 3π/5.
A150 degrees
B106 degrees
C160 degrees
D108 degrees
A wheel 4 ft in diameter is rotating at 80 r/min. Find the distance (in ft) travelled by a point on the rim in 1 s.
A18.6
B16.8
C17.8
D18.7
If \(\sec^2 A = \tfrac{5}{2}\), then \(1 - \sin^2 A =\)
A0.2
B0.3
C0.4
D0.5