PERFORMANCE TASK 4.1
TRIGONOMETRIC RATIOS
I.
Match the name of each trigonometric ratio in column A with the correct ration
of the side lengths of a right triangle in column B. Write the letter of the correct
answer on the space provided.
A
B.
F 1. Cosine
𝐴.
2. Sine
A.
A 3. Secant
B.
4. Tangent
C.
C 5. Cotangent
D.
6. cosecant
𝐹.
ℎ𝑦𝑝𝑜𝑡𝑒𝑛𝑢𝑠𝑒
𝑎𝑑𝑗𝑎𝑐𝑒𝑛𝑡
ℎ𝑦𝑝𝑜𝑡𝑒𝑛𝑢𝑠𝑒
𝑜𝑝𝑝𝑜𝑠𝑖𝑡𝑒
𝑎𝑑𝑗𝑎𝑐𝑒𝑛𝑡
𝑜𝑝𝑝𝑜𝑠𝑖𝑡𝑒
𝑜𝑝𝑝𝑜𝑠𝑖𝑡𝑒
𝑎𝑑𝑗𝑎𝑐𝑒𝑛𝑡
𝑜𝑝𝑝𝑜𝑠𝑖𝑡𝑒
ℎ𝑦𝑝𝑜𝑡𝑒𝑛𝑢𝑠𝑒
𝑎𝑑𝑗𝑎𝑐𝑒𝑛𝑡
ℎ𝑦𝑝𝑜𝑡𝑒𝑛𝑢𝑠𝑒
II. Problem:
A ladder leans against a house at an angle of 600 from the ground.
If the foot of the ladder is 5m from the base of the house, how long is the
ladder?
Standards of Performance: Your work must meet the standards in the following rubrics:
Rubrics for the Performance Task
Categories
20
Excellent
15
Satisfactory
10
Developing
5
Beginning
Mathematical
Concept
Demonstrate a
thorough
understanding of
topics and uses it
appropriately to
solve the
problem.
All computations
are correct and
are logically
presented.
Demonstrates a
satisfactory
understanding of
the concepts and
uses it to simplify
the problem.
Demonstrates
incomplete
understanding and
has some
misconceptions.
Show lack of
understanding and
have severe
misconceptions.
The computations
are correct.
Generally, most of
the computations
are not correct.
Errors in
computations are
severe.
Accuracy
of Computation