quirkss quirkss

30-05-2021
Mathematics

contestada

PLEASE HELP ME THANK U 0

Find the RATIO and the EXACT VALUE of the given Cos A.

PLEASE HELP ME THANK U 0Find the RATIO and the EXACT VALUE of the given Cos A class=

Respuesta :

bhadelsimron19 bhadelsimron19

30-05-2021

Answer:

Step-by-step explanation:

take angle A as reference angle

using cos rule

cos A=adjacent/hypotenuse

cos A=12/13

cos A=0.92

A=cos 23

A=23 degree

for ratio,

cos A=12/13

Answer Link

hnori22003 hnori22003

30-05-2021

Cos( A ) = AC / AB [ Ratio ]

Cos( A ) = 12 / 13 [ Ratio ]

Cos( A ) = 0. 92307 [ Exact value ]

Answer Link

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