2.04 Trigonometric functions on the unit circle
Adaptive
Worksheet
Interactive practice questions
The graph shows an angle $a$a in standard position with its terminal side intersecting the circle at $P$P$\left(\frac{3}{5},\frac{4}{5}\right)$(35,45).
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a
Find the value of $\sin a$sina.
b
Find the value of $\cos a$cosa.
c
Find the value of $\tan a$tana.
Medium2 min
The graph shows an angle $a$a in standard position with its terminal side intersecting the circle at $P$P$\left(-\frac{21}{29},\frac{20}{29}\right)$(−2129,2029).
Medium2 min
The graph shows an angle $a$a in standard position with its terminal side intersecting the circle at $P$P$\left(-\frac{21}{29},\frac{20}{29}\right)$(−2129,2029).
Medium2 min
The graph shows an angle $a$a in standard position with its terminal side intersecting the circle at $P$P$\left(\frac{20}{29},-\frac{21}{29}\right)$(2029,−2129).
Medium1 min
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