Maths by Mr. M. P. Keshari
CBSE Maths eBooks CBSE Guess > eBooks > Class X > Maths Part II by Mr. M. P. Keshari Chapter 12: Trigonometry Trigonometry Ratio of Complementary Angles Let us consider a triangle ABC right angled at B. Let Example 6. Without using trigonometirc tables, evaluate: Solution:-
Maths by Mr. M. P. Keshari
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