If sin A = 1/3 then find the value of 9cot²A + 9.
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Answer:
81
Step-by-step explanation:
sinA=1/3
cosA=(1-sinA²)½
cosA=(1-(1/9))½
cosA=(8/9)½
cotA=cosA/sinA
-->cotA=8½
9cot²A + 9 = 9(8) +9 = 81
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