Problem 1
\(\sin 30^{\circ}\)
Problem 4
\(\cos 60^{\circ}\)
Problem 8
\(\tan 45^{\circ}\)
Problem 9
\(\tan 60^{\circ}\)
Problem 12
\(\cot 30^{\circ}\)
Problem 13
\(\csc 60^{\circ}\)
Problem 16
\(\csc 45^{\circ}\)
Problem 28
Height of a Flagpole. The shadow of a flagpole measures 15 foot. At the same time of day, the shadow of a stake 2 feet above ground measures \(\frac{3}{4}\) foot. How tall is the flagpole?
Problem 29
Height of a Lighthouse. The Cape Hatteras Lighthouse at the Outer Banks of North Carolina is the tallest lighthouse in North America. If a 5 -foot woman casts a \(1 \frac{1}{5}\)-foot shadow and the lighthouse casts a 48 -foot shadow, approximately how tall is the Cape Hatteras Lighthouse?
Problem 34
Roofing. Bob's roof has a \(5-12\) pitch while his neighbor's roof has a 7-12 pitch. With \(\theta\) defined as the angle formed at the corner of the roof by the pitch of the roof and a horizontal line, whose roof has a larger value for \(\cos \theta\) ? Explain.