Possible values for y are infinite
Further explanation
Trigonometry is the science of mathematics that studies the relationship between sides and angles in triangles
Given special angles of trigonometric functions, for example
[tex]\displaystyle sin~0=0\\\\cos~30=\frac{1}{2}\sqrt{3}\\\\tan~45=1\\\\sec~45=\sqrt{2}\\\\etc.[/tex]
In the trigonometric function equation y = cos⁻¹ 0, then the value of y can be determined:
y = cos⁻¹0
y = arc cos 0
cos y = 0
Then the value of y :
[tex]\displaystyle \frac{\pi }{2},\frac{3}{2}\pi,\frac{5}{2}\pi , etc[/tex]
Or can be formulated :
[tex]\displaystyle y=\frac{\pi }{2} (2n-1)[/tex] ⇒ y: arithmetic sequence
So there are infinite values for y
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trigonometric identities
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Keywords: trigonometric, infinite values,arithmetic sequence
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