Question

if cosecA=5/3 then sin(90°-A) is equal to?​

Answer 1

Answer:

cos A

Step-by-step explanation:

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Answer 2

cosec A = 5/3

1/sin A = 5/3

sin A = 3/5

sin^2 A = (3/5)^2

sin^2 A = 9/25

1 - cos^2 A = 9/25

cos^2 A = 1 - 9/25

cos^2 A = (25 - 9)/25

cos^2 A = 16/25

cos A = 4/5

sin (90° - A) = 4/5