A television camera at ground level is filming the lift-off of a space shuttle at a point 750 meters from the launch pad. Let θθ be the angle of elevation to the shuttle and let ss be the height of the shuttle.

(a) Write θθ as a function of ss.

(b) Find θθ when s=900meterss=900meters and s=1500meterss=1500meters.

Respuesta :

Answer:

a). [tex]\theta=tan^{-1}(\frac{s}{750} )[/tex]

b). θ = 50.19° and θ = 63.43°

Step-by-step explanation:

a). In the figure attached, Space shuttle is at the point A and camera is at point C.

We have to find the expression representing angle θ.

[tex]tan\theta=\frac{AB}{BC}[/tex]

[tex]tan\theta=\frac{s}{750}[/tex]

[tex]\theta=tan^{-1}(\frac{s}{750} )[/tex]

b). we plug in the value s = 900 meters to calculate the value of θ from the given expression.

θ = [tex]tan^{-1}(\frac{900}{750} )[/tex]

θ = [tex]tan^{-1}(1.2)[/tex]

θ = 50.19°

For s = 1500 meters

[tex]\theta=tan^{-1}(\frac{1500}{750} )[/tex]

[tex]\theta=tan^{-1}(2)[/tex]

θ = 63.43°

Ver imagen eudora

The function of θ in term of s is θ = arctan(s/75)

The value of θ is s is 900 and 1500 are 85,24 degrees and 87.14 degrees respectively.

Trigonometry identity

Find the diagram attached. From the diagram, we are given the following:

  • Opposite = s
  • Adjacent = 75

According to SOH CAH TOA identity;

tanθ = opp/adj

tanθ = s/75

θ = arctan(s/75)

Hence the function of θ in term of s is θ = arctan(s/75)

b) If s=900meters

θ = arctan(900/75)

θ = 85,24 degrees

If s = 1500

θ = arctan(1500/75)

θ = 87.14 degres

Hence the value of θ is s is 900 and 1500 are 85,24 degrees and 87.14 degrees respectively.

Learn more on SOH CAH TOA here;  https://brainly.com/question/20734777

Ver imagen abidemiokin