Finding Limits of Trigonometric Functions in Infinity - Infinity Form & When X tends to 90 Degree
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To find the limits of trigonometric function when variable itself is a angle looks difficulty but its not really difficult.
To find the limits of trigonometric function when variable x tends to 90 degree first we check by plugging the value of x but its comes in Infinity - Infinity form so we have to first operate the function a little bit.
Thats why to find the limits if this trigonometric function first we have to convert the sec and tan form into sin and cos form and by simplifying the function we can easily get the real value of the trigonometric function.
Then finally we will plug the approaching value and find the limits of trigonometric function in infinity - infinity for when x tends to 90 degree.
I hope you understand now how to find the limits of a trigonometric function.