Question

if cos =4/5 and sin =?​

Answer 1

Explanation:

Here is ur answer

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Answer 2

Explanation:

cos = b/h

b=4 ,h=5

p*2=h*2 - b*2

p*2= 5*5 -4*4

p*2 = 25-16

p*2 =9

p=3

Hence

sin=3/5