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Maths CBSE Mentoring
Class 10 Mentoring product
Introduction to trigonometry
Trigonometric ratios
7.
TBQ - Determine the values of the following
Question:
5
m.
Consider \(\triangle ACB\), right-angled at \(C\), in which \(AB = 29 \ \text{units}\), \(BC = 21 \ \text{units}\) and \(\angle ABC = \theta\).
Compute
the values of:
(i)
\(cos^2 \ \theta + sin^2 \ \theta =\)
(ii)
\(cos^2 \ \theta - sin^2 \ \theta =\)
i
i
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