Question

1.Tentukan nilai sin a, tan a, secan a,cotan a!​

Answer 1

x = √15^2 - 12^2 = √225-144 = √81 = 9

Sin a = 12/15 = 4/5

Tan a = 12/9= 4/3

Secan a = 1/ cos a = 5/3

Cotan a = 1/tan a = 3/4

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