EXAMPLE 5

1
EXAMPLE 5
Use indirect measurement
Grand Canyon
2
EXAMPLE 5
Use indirect measurement
SOLUTION
Write trigonometric equation.
2(tan 76º) x
Multiply each side by 2.
Use a calculator.
3
EXAMPLE 6
Use an angle of elevation
Parasailing
4
EXAMPLE 6
Use an angle of elevation
SOLUTION
STEP 1
Draw a diagram that represents the situation.
STEP 2
Write and solve an equation to find the height h.
Write trigonometric equation.
300(sin 48º) h
Multiply each side by 300.
Use a calculator.
5
for Examples 5 and 6
GUIDED PRACTICE
Grand Canyon
6
for Examples 5 and 6
GUIDED PRACTICE