Provide Solution For R.D.Sharma Maths Class 12 Chapter 3 Inverse Trigonometric Functions Exercise Multiple Choice Questions Question 20 Maths Textbook Solution.
Hint: Separate cos function into simple form.
CBSE supplementary exam 2023 date sheets out for Class 10, 12; exams start on July 17
CBSE Class 10, 12 supplementary exam application starts; direct link
CBSE supplementary exam date 2023 announced; registration of 10th, 12th students begins tomorrow
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