PRECALCULUS
PERFORMANCE TASK
Name:____________________Grade&Section:____________Date:_____HPS: __Score:___
1. Find the domain of the equation
3
A. � + 2 − � = 2�
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B. ���3� = ��� � + 1
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C. tan x + cot x = sin x
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�+1
D. �2−1 + ��� � = , ��� �
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2. Show that (��� � + ��� �)2 = 1 + 2 ��� � ��� � is an identity equation.
5
3. If ��� � = 3 and ���� < 0, use the identities ti find the values of the remaining trigonometric functions
of �.
A. ��� � = __________
B. ��� � = _______
C. ��� � = _______
D. ��� � = __________
E. ��� � = __________
4. Simplify:
��� � ����
1 − ���2 �
���2 �
��� � − ����
��� �
1 − ���2 �
���2 �
��� � + ��� �
��� �
���2 �
1 − ��� �
���2 � − 1
���2 �
��� � ��� � ��� �
Answer Key: