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In A ABC, right-angled at B, AB = 24 cm, BC=7 cm. Determine:
(i) sin A, cos A
(ii) sin C. cos C
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CONCEPT OF TRIGONOMETRIC IDENTITIES , TRIGONOMETRIC RATIOS , FOUR FUNDAMENTAL OPERATIONS , PYTHAGORAS THEOREM FORMULA .
SO , SIN A = 7 / 25
SO , COS A = 24 / 25
SO , SIN C = 24 / 25
SO , COS C = 7 / 25.
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