RS Aggarwal - Mathematics

Book: RS Aggarwal - Mathematics

Chapter: 4. Inverse Trigonometric Functions

Subject: - Class 12th

Q. No. 49 of Objective Questions

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49

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To Find: The value of tan {}


Let x =


cos x = =


By pythagorus theroem ,


(Hypotenuse )2 = (opposite side )2 + (adjacent side )2


Therefore , opposite side = 3


tan x= =


x =


Now tan {} = tan {}


Since we know that + =


tan {} = tan ()


= tan ()


=

Chapter Exercises

Exercise 4A
Exercise 4B
Exercise 4C
Exercise 4D
Objective Questions

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49

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50

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51

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