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9 sec square A - 9 tan square A = |
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Answer» 9sec²A-9tan²A=9 A n s w e rThe value of 9sec²A-9tan²A =9Step-by-step explanation:The\xa0value\xa0of\xa09sec²A-9tan²A=\xa09(sec²A-tan²A)/*\xa0By\xa0Trigonometric\xa0identity:\xa0=\xa09\xa0×1=\xa09Therefore,.The\xa0value\xa0of\xa09sec²A-9tan²A\xa0=9 |
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