7.4 Unit Circle Quadrant 1
11th - 12th Grade
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7.4 Unit Circle Quadrant 1
Quiz
•
Mathematics
•
11th - 12th Grade
•
Practice Problem
•
Easy
Standards-aligned
A Bmr
Used 339+ times
FREE Resource
About this resource
This quiz focuses on trigonometric functions and the unit circle, specifically targeting the evaluation of sine, cosine, and tangent at key reference angles in the first quadrant and quadrantal angles. The content is appropriate for grades 11-12, aligning with Precalculus or advanced Algebra 2 coursework. Students must demonstrate mastery of exact trigonometric values for the special angles 0, π/6, π/4, π/3, and π/2 radians, including understanding when trigonometric functions are undefined. The core concepts required include memorization of the unit circle's exact values, recognition of radian measure, understanding the relationship between coordinates on the unit circle and trigonometric ratios, and knowledge of when tangent becomes undefined at π/2. Students need strong foundational skills in radicals, fractions, and the geometric properties of 30-60-90 and 45-45-90 triangles to derive these exact values. Created by A Bmr, a Mathematics teacher in US who teaches grade 11-12. This assessment serves as an excellent tool for reinforcing memorization and quick recall of essential unit circle values that students will use throughout their advanced mathematics courses. The quiz works effectively as a warm-up activity to activate prior knowledge before tackling more complex trigonometric problems, as homework practice to strengthen automaticity with these fundamental values, or as formative assessment to identify students who need additional support with unit circle mastery. Teachers can use this for timed practice sessions to build fluency or as review before tests covering trigonometric identities, graphing, or solving trigonometric equations. The repeated questioning format helps students develop the instant recall necessary for success in calculus and other advanced mathematics courses. This assessment aligns with Common Core standards HSF.TF.A.2 and HSF.TF.A.3, which require students to explain relationships between trigonometric functions and the unit circle and use special triangles to determine geometrically the values of sine, cosine, and tangent.
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18 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
sin π/4
Tags
CCSS.HSF.TF.A.2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
tan π/2
0
undefined
1
-1
Tags
CCSS.HSF.TF.A.2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
cos π/6
-1/2
1/2
√3/2
0
Tags
CCSS.HSF.TF.A.2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
tan 0
0
1
√2/2
undefined
Tags
CCSS.HSF.TF.A.2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
cos π/3
0
√3/2
1/2
√2/2
Tags
CCSS.HSF.TF.A.2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
tan π/3
√3/3
undef
1
√3
0
Tags
CCSS.HSF.TF.A.2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
sin π/6
1/2
0
√3/2
√2/2
1
Tags
CCSS.HSF.TF.A.2
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