tan90=Sin90/Cos90, sin90=1 and cos90=0 so 1/0 = undefined hence tan 90 is undifined
To show that sin(90 degrees) is equal to 1, we can use the unit circle. At 90 degrees, the point on the unit circle has coordinates (0, 1), where the y-coordinate represents the sine value. Since the y-coordinate is 1 at 90 degrees, sin(90 degrees) is equal to 1. This can be visually represented on the unit circle diagramatically.
The value is 0.
The exact value is 0.5*sqrt(3)
All six trigonometric functions can take the value 1.
tan90=Sin90/Cos90, sin90=1 and cos90=0 so 1/0 = undefined hence tan 90 is undifined
Because sin = opp/hyp and the opposite side to a 90 degree angle is the hypotenuse.
To show that sin(90 degrees) is equal to 1, we can use the unit circle. At 90 degrees, the point on the unit circle has coordinates (0, 1), where the y-coordinate represents the sine value. Since the y-coordinate is 1 at 90 degrees, sin(90 degrees) is equal to 1. This can be visually represented on the unit circle diagramatically.
In the form of Sin90, the units would be degrees. If, however, it was the literal Sine, say, 0.564.... , I dont think there is a unit for it. Sin (Theta) means that it is an angle. The units for angles are normally expressed in either degrees or radians.
Sine of an angle cannot be 2, as you must be knowing, sin90=1, u may conclude that sin180=2. but 180 degree cannot be an angle of a triangle,
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To increment a value by 1, you have 4 choices:value++;++value;value += 1;value = value + 1;Pre and post processing incrementation/decrementation refers to the first two: ++value and value++.Both do exactly the same, as both will increase the value of 'value' by one.If we have a situation like this:int value = 0;int value1 = 0;value1 = value++;This essentially means:value1 = value;value = value + 1;Where ++value means:value = value + 1;value1 = value;
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