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Question

In tri. ABC, right angled at B,AB=24cm,BC=7cm. Determine
(1) sinA,cosA
(2) sinC,cosC

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Solution


By Pythagoras theorem:

(1) sinA =725 , cosA =2425

(2) sinC = 2425 , cosC = 725

851625_698657_ans_175ce0e5d6e64b2e892987f9028adb42.png

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