Question

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If sin a = 1/3, then find the value of
$(2{cot}^{2} a \: + \: 2)$
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Answer 1

Answer:sin theta=1÷3, cos^2 theta =1-1÷9={8÷9} then cot^2theta=cos^2theta÷sin^2theta=8, 2cot^2theta+2=2×8+2=18

Step-by-step explanation:

Answer 2

ÅhØy ❤

sin theta = 1/3
cos²theta =1-1/9
= (8/9)

cot²theta = cos²theta / sin²theta = 8*2cot²theta +2

= 2*8+2

= 18

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