Trigonometry Answers

The bearing of a lighthouse from ship A is 29°NE and the bearing of that same
lighthouse from ship B is 61°NW. If ship A and ship B are on the east-west line 200 km
apart, how far is ship B from the lighthouse?

A PLDT Tower and a monument stand on a level plane.
The angles of depression of the top and bottom of the
monument viewed from the top of the PLDT Tower is 13
degrees and 35 degrees respectively. The height of the
tower is 50m. Find the height of the monument.

An observer wishes to determine the height of a tower. He takes sights at the top of the tower from A and B, which are 50 feet apart, at the same elevation on a direct line with the tower. The vertical angle at point A is 300 and at point B is 400. What is the height of the tower?

A PLDT tower and a monument stand on a level plane. The angles of depression of the top and bottom of the monument viewed from the top of the PLDT tower are 13 degrees and 35 degrees, respectively. The height of the tower is 50 meters. Find the height of the monument.

If x= cos^2 tetha /(1-cos^2teta) + 2csc^2teta and y = 2cot^2 teta, express y in terms of x

prove that
2sin^2theta+2cos^2theta-1=0

What is the area of the circumscribing circle if the side of a right angle triangle are 3,4, and 5 meter?

C. Write three (3) specific areas where Trigonometry can be applied. Answer in 3 to 4 sentences

B. State the Sine Law and the Cosine Law in 3 to 4 sentences.