2
Q.1.If Sin O=1/3,find the value
of 2 (cot]^2 0 +2 is *
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Answered by
1
Answer:
18
Step-by-step explanation:
sin ϑ = 1/3 so, cosec ϑ= 3
therefore,. 2 cot²ϑ + 2 = 2(cot²ϑ+1)
= 2cosec²ϑ
= 2* (3)²
= 2* 9
= 18
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