In PQR shown below, which expression can be used to find PQ?

Option C:

can be used to find the length of PQ.

Solution:

Given PQR is a right triangle.

θ = m∠Q = 29°

Opposite of θ = PR = 10

Hypotenuse = PQ = ?

To find the length of PQ:

Using trigonometric ratio formula:

Multiply by PQ on both sides.

Divide by sin 29° on both sides.

Therefore can be used to find the length of PQ.

Option C is the correct answer.

i think is g(1)=-1.

hope that i can