Question

31. If α+β=π/2 and sin α=1/3, then sin β is​

Answer 1

Answer:

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Answer 2

Answer:

Explanation:

since a + b = π/2

a and b are complimentary angles

thus sin b = cos a

we know sin a = 1/3

make a sketch of your right-angled triangle, find the adjacent side to be √8

thus cos a = √8/3

so sin b = √8/3 or 2√2/3