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Activity1 Basic Trignometric Ratios (view source)
Revision as of 12:26, 29 June 2020
, 12:26, 29 June 2020no edit summary
=== Materials/ Resources needed ===
=== Materials/ Resources needed ===
Click here to [[:File:Basic Trigonometic Functions.ggb|open]] the file
Digital - Click here to [[:File:Basic Trigonometic Functions.ggb|open]] the file
Non digital - Protractor,ruler.
=== Process (How to do the activity) ===
=== Process (How to do the activity) ===
# Triangle has 3 sides.Using the sides of triangle,we can have six different ratios.(To write the ratio(fraction)numerator can be written in 3 ways and denominator in 2 ways, both can be written in 3*2=6 ways)
# Triangle has 3 sides.Using the sides of triangle,we can have six different ratios.(To write the ratio(fraction)numerator can be written in 3 ways and denominator in 2 ways, both can be written in 3*2=6 ways)
# Identify the name of the ratios in Trigonometry.
# Identify the name of the ratios in Trigonometry.
# Measure adjacent side and opposite side in a given triangle and record it on the table
# Measure adjacent side ,opposite side and hypotenuse in a given triangle and record it on the table
{| class="wikitable sortable"
|'''RATIO'''
|'''TRIGONOMETRIC NAME OF THE RATIO'''
|'''VALUES OF THE TRIGONOMETRIC RATIOS FOR THE ANGLE'''
|-
|CB/AC
= Opposite/Hypotenuse
|Sine of angle θ
|
|-
|BA/AC =
Adjacent / Hypotenuse
|Cosine of angle θ
|
|-
|CB/BA
=Opposite / Adjacent
|Tangent of angle θ
|
|-
|AC/CB
=Hypotenuse/ Opposite
|Cosecant of angle θ
|
|-
|AC/BA
=Hypotenuse / Adjacent
|Secant of angle θ
|
|-
|BA/CB
=Adjacent/ Hypotenuse
|Cotangent of angle θ
|
|}
=== Evaluation at the end of the activity ===
=== Evaluation at the end of the activity ===
Find the six trigonometric functions of the triangle?
# Find the six trigonometric ratios of the triangle?
# Find the measure of each trigonometric ratios of the triangle?
Go back - [[Trigonometry|click here]]
Go back - [[Trigonometry|click here]]