RD Sharma - Mathematics (Volume 1)

Book: RD Sharma - Mathematics (Volume 1)

Chapter: 4. Inverse Trigonometric Functions

Subject: Maths - Class 12th

Q. No. 20 of MCQ

Listen NCERT Audio Books to boost your productivity and retention power by 2X.


Choose the correct answer

The value of is

We need to find the value of:

Let us simplify the trigonometric function.

We can write as:


Since, lies on IV Quadrant and cosine is positive in IV Quadrant.

And since, lies on IV Quadrant and sine is negative in IV Quadrant.

Using property of inverse trigonometry,

sin-1(sin A) = A and cos-1(cos A) = A


Chapter Exercises

More Exercise Questions