# Trig Tour

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Vajuta, et mängida
Kasuta seda HTML koodi, et näidata ekraanipilti koos sõnadega ,,Vajuta, et mängida". Trigonometry Unit circle Sines PhETi toetavad ja õpetajad nagu Teiegi.

• Trigonometry
• Unit circle
• Sines
• Cosines
• Tangents

### Description

Take a tour of trigonometry using degrees or radians! Look for patterns in the values and on the graph when you change the value of theta. Compare the graphs of sine, cosine, and tangent.

### Näidis-õpieesmärgid

• Define trig functions for negative angles and angles greater than 90 degrees.
• Translate between multiple representations of trig functions: as sides of a right triangle inscribed in a unit circle, graph of the function vs. angle, and numerical values of the function.
• Deduce the sign (+, -, 0) of a trig function for any given angle without a calculator using the unit circle concept.
• Estimate the value of trig functions for any given angle without a calculator using the unit circle concept.
• Define exact trig functions for special angles using degrees or radians for angle measures.

### Standards Alignment

#### Common Core - Math

HSF-TF.A.2
Explain how the unit circle in the coordinate plane enables the extension of trigonometric functions to all real numbers, interpreted as radian measures of angles traversed counterclockwise around the unit circle.
HSF-TF.A.3
(+) Use special triangles to determine geometrically the values of sine, cosine, tangent for π/3, π/4 and π/6, and use the unit circle to express the values of sine, cosine, and tangent for x, π + x, and 2π - x in terms of their values for x, where x is any real number.
HSF-TF.A.4
(+) Use the unit circle to explain symmetry (odd and even) and periodicity of trigonometric functions.
Version 1.0.22

### Teacher Tips

 Õpetajate juhend (pdf) sisaldab PhETi poolt loodud nõuandeid. ( PDF ).

### Teacher-Submitted Activities

Trig Tour - Connecting the Unit Circle to the Graph Susan Miller KK Guided Matemaatika
Trig Tour - Seeing Patterns in a Unit Circle Susan Miller KK Guided Matemaatika
Trig Tour - Using Reference Angles with a Unit Circle Susan Miller KK Guided Matemaatika
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korea All 한국어 삼각함수 여행
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marathi All मराठी त्रिकोणमितीची सफ़र
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portugali (Brasiilia) All português (Brasil) Tour Trigonométrico
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