Congratulations - you have completed C3 Trigonometry facts quiz.
You scored %%SCORE%% out of %%TOTAL%%.
Your performance has been rated as %%RATING%%
Your answers are highlighted below.
Question 1
If $\cot(2x) = -1$ and $0 \le x \lt 2\pi$, what is/are the possible value(s) of $x$?
A
$\frac38\pi$ only
B
$67.5º$ only
C
$\frac38\pi$, $\frac78\pi$, $\frac{11}8\pi$ and $\frac{15}8\pi$
D
$\frac38\pi$ and $\frac78\pi$
E
$\frac38\pi$ and $\frac{-1}4\pi$
Question 2
What is the derivative of $\sec(2x)$ (with respect to $x$)?
A
$\frac{1}{2}\tan^2(2x)$
B
$2\tan(2x)$
C
None of the above.
D
$\frac{1}{2}\sec(2x)\tan(2x)$
E
$2\sec(2x)\tan(2x)$
Question 3
Which of the following is $3\cos(x) + 4\sin(x)$ equivalent to?
A
None of these.
B
$5\sin(x + 37º)$
C
$5\cos(x-37º)$
D
$5\cos(x - 53º)$
E
$5\sin(x + 53º)$
Question 4
What is $\csc^2(x) - \cot^2(x)$ equivalent to?
A
1
B
-1
C
None of the above.
D
$\sec^2(x)$
E
$\tan^2(x)$
Question 5
What of these is equivalent to $\csc(x)$?
A
$\sin^{-1}(x)$
Hint:
No - that's $\arccos(x)$.
B
$1 + \cot^2(x)$
Hint:
No - that's $\csc^2(x)$
C
$\frac{1}{\sin(x)}$
D
$\frac{1}{\cos(x)}$
Hint:
No - that's $\sec(x)$
E
$\cos^{-1}(x)$
Hint:
No - that's $\arccos(x)$
Once you are finished, click the button below. Any items you have not completed will be marked incorrect.
Get Results
There are 5 questions to complete.
←
List
→
Return
Shaded items are complete.
1
2
3
4
5
End
Return
You have completed
questions
question
Your score is
Correct
Wrong
Partial-Credit
You have not finished your quiz. If you leave this page, your progress will be lost.
Correct Answer
You Selected
Not Attempted
Final Score on Quiz
Attempted Questions Correct
Attempted Questions Wrong
Questions Not Attempted
Total Questions on Quiz
Question Details
Results
Date
Score
Hint
Time allowed
minutes
seconds
Time used
Answer Choice(s) Selected
Question Text
All done
Need more practice!
Keep trying!
Not bad!
Good work!
Perfect!
Colin
Colin is a Weymouth maths tutor, author of several Maths For Dummies books and A-level maths guides. He started Flying Colours Maths in 2008.
He lives with an espresso pot and nothing to prove.
MathbloggingAll
C3 Trigonometry quiz http://t.co/YgPLuKcDfi