Example 9, 10 - Chapter 8 - Class 10 | Introduction to Trigonometry | NCERT Maths CBSE

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Example 9 : Express the ratios cos A, tan A and sec A in terms of sin A.
Example 10 : Prove that sec A (1 – sin A)(sec A + tan A) = 1.

In this tutorial, you will find the explanation of the following:
Example: 9, 10
Class: 10th
Chapter: 8, Introduction to Trigonometry
Textbook: NCERT
#Class10Math #Class10Maths #TrigonometryClass10

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allset
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adonisahead
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crappp
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Very good explanation sir . Loved the way of teaching

parvhadhantaparvhadhanta
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Sir but muje ye samjh nhi aya ke tan A ko humne sinA/cos A kyu liya pichle ki trh humne tan²A=sec²A-1kyu ni liya

shimpikhurana