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Maths CBSE Live product
Class 10
Introduction to trigonometry
Annual Revision I - Introduction to trigonometry
1.
Find the values
Question:
1
m.
Consider \(\triangle ACB\), right-angled at \(C\), in which \(AB =17 \ \text{units}\), \(BC =15 \ \text{units}\) and \(\angle ABC = \theta\).
Find
the value of:
\(cos^2 \ \theta - sin^2 \ \theta =\)
i
i
(
Note
: Enter the answers without simplifying it)
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