karsanbassophea karsanbassophea

28-05-2021
Mathematics

contestada

If 90º ≤ A ≤ 180º and sin(A) = 4/7 then determine the exact values of cos(A) and tan(A)

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2004alicewong 2004alicewong

28-05-2021

Answer:

Cos(A)=0.82

Tan(A)=0.696

Step-by-step explanation:

A=sin^- (4/7)

＝34. 85

Cos (A)

Cos(34.85)=0.82

Tan(A)

Tan(34.85)=0.696

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