Math Calculators, Lessons and Formulas

It is time to solve your math problem

  • Math Tests
  • ::
  • Trigonometry
  • ::
  • The Unit Circle Tests
Test Title:

The Unit Circle Tests

There are 2 tests inside this topic. Click the button below to change currently active quiz.

Change current test

Current: Signs of trigonometric function
  • Q1:
    1 pts
    Use the unit circle to determine the sign of $sin50^\circ$
    positive
    negative
  • Q2:
    1 pts
    Use the unit circle to determine the sign of $\cos130^\circ$
    positive
    negative
  • Q3:
    1 pts
    Use the unit circle to determine the sign of $\tan220^\circ$
    positive
    negative
  • Q4:
    2 pts
    Which of following has positive sign.
    $\sin300^\circ$
    $\cos300^\circ$
    $\tan300^\circ$
    $\cot300^\circ$
  • Q5:
    2 pts
    Use the unit circle to determine the sign of $\sin(-100^\circ)$
    positive
    negative
  • Q6:
    2 pts
    Use the unit circle to determine the sign of $\cot(-210^o)$.
    positive
    negative
  • Q7:
    2 pts
    In which quadrant do the most trigonometric functions have positive signs?
    first
    second
    third
    fourth
  • Q8:
    3 pts
    In which quadrant two trigonometic functions have negative signs?
    first
    second
    third
    fourth
  • Q9:
    3 pts
    If $\sin(\alpha)<0$ and $\cos(\alpha)>0$ than the angle $\alpha$ belongs to:
    first quadrant
    second quadrant
    third quadrant
    fourth quadrant
  • Q10:
    3 pts
    If $\tan(\alpha)<0$ and $\sin(\alpha)>0$ than the angle $\alpha$ belongs to:
    first quadrant
    second quadrant
    third quadrant
    fourth quadrant
  • Q11:
    3 pts
    Which value in the following group has different sign from the others?
    $\sin({\frac{4\pi}3})$
    $\cos({-\frac{\pi}3})$
    $\tan({\frac{5\pi}4})$
  • Q12:
    3 pts
    Which value in the following group has different sign than $\tan({\frac{2\pi}3})$?
    $\cos({\frac{2\pi}3})$
    $\sin({\frac{2\pi}3})$
    $\cot({\frac{2\pi}3})$