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in this triangle, =

Hence, the value of is 1.

Step-by-step explanation:

Since we have given that

ABC is a right angled triangle.

We need to find the value of

As we know the formula for "Cosine Rule ":

similarly,

So,

Hence, the value is 1.

Plato users the answer is 1

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:

hello from mrbilldoesmath!

answer:

the domain is the set { -2, 0, 2, 3}

discussion:

the domain is the set of x values in the ordered pairs (x,y). taking the x, or first component, of each ordered pair gives   -2, 0, 2, 3.

you,

mrb