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tan 20° 43'cot 69° 17 |
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Answer» tanA = cot(90-A). So, tan (20degrees 43') = cot(69degrees 17'). Hence, tan(20degrees 43') / cot(69degrees 17') = cot(69degrees 17') / cot(69degrees 17')= 1. PLEASE HIT THE LIKE BUTTON |
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