Trigonometry

Exercise of Trigonometry

By Zulhilmi Zailani

Multiple Select

Which equation shows the correct relationship?

• cos A = 4/5

• tan C = 3/4

• tan C =4/3

• sin A = 5/3

A and C

Multiple Choice

Ahmad is standing far from cell tower. He also sees the top of cell tower at angle of $$78\degree$$ . He knows that the cell tower is $$275ft$$  tall. How long is the cable from Ahmad?

• 57.6 ft

• 269.23 ft

• 281.14 ft

• 1323.63 ft

C

Multiple Choice

Is this solution is correct?

• YES

• NO

YES

Multiple Choice

What is the angle of elevation from the end of the shadow to the top of the man's head?

• $$26.4\degree$$

• $$34.6\degree$$

• $$46.4\degree$$

• $$54.6\degree$$

B

Multiple Select

Choose the correct values.

• $$\sin90\degree=1$$  

• $$\cos90\degree=0$$  

• $$\tan90\degree=undefined$$  

• $$\cot90\degree=0$$  

ALL

-Use Symbolab-