What is the approximate value of sin c?

Approximate value of sinC is

Hence, Option (4) is correct.

Step-by-step explanation:

In the given Δ CAB with right angle at A.

Trigonometric ratio SINE is defined as ratio of the side opposite to the given angle (that is perpendicular) to  the hypotenuse of the triangle.

In the given figure,

For angle C , AB is the perpendicular and BC is hypotenuse.

Given: AB= 7 and BC= 17.46

Thus, Approximate value of sinC is

Hence, Option (4) is correct.

if you explain the the question more correctly i might be able to answer this better

step-by-step explanation:

it's equivalent, so we can say that its equal.

let's call the denominator x and the numerador is 18 less then denominator, x - 18.

multiply

2.x = 5.(x - 18)

2x = 5x - 90

90 = 5x - 2x

90 = 3x

x = 90/3

x = 30

so: