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प्रश्न
Find the trigonometric function of :
0°
उत्तर
Angle of measure 0° -
Let the measure of the ∠XOA in standard position be 0°.
Its terminal arm (ray OA) intersects the standard unit circle in P (1, 0).
Hence, x = 1 and y = 0.
∴ sin 0° = y = 0,
cos 0° = x = 1,
tan 0° = `y/x = 0/1` = 0,
cot 0° = `x/y=1/0`.....(which is not defined)
`"cosec" 0^circ = 1/y = 1/0` ....(which is not defined)
sec 0° = `1/x = 1/1 = 1`
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