The length of the indicated side
1. a=5, b= 5√3
2. x=2, y=4
3. t=4
what is trigonometry?
The branch of mathematics concerned with specific functions of angles and their application to calculations.
Using Trigonometric ratios,
1.sin 30 = a/10
1/2= a/10
a=5
cos 30= b/10
√3/2= b/10
b= 5√3
2. sin 60 = 2√3÷ y
√3/2=2√3 ÷ y
y=4
cos 60 = x / y
1/2= x/4
x=2
3. tan 30 = 4√3÷t
√3= 4√3÷t
t=4
Learn more about trigonometric ratios here:
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