Math, asked by nitingupta12911, 3 months ago

If sin A = 1/3 then find the value of 9cot²A + 9.

Answers

Answered by tilak6777

2

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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