plzzz ans ......TRIGNOMETRY ANS ALL PARTS
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from ANGLE BCD
13²=12²-CD²
cd²=169-144
cd²=25
cd=√25
cd=5
sin∅=13 by 5
tan∅=5 by 12
13²=12²-CD²
cd²=169-144
cd²=25
cd=√25
cd=5
sin∅=13 by 5
tan∅=5 by 12
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