When using trigonometry, our calculators should be in what mode?

Determine if Stephanie or Adam is correct. “A cat, who has climbed a tree, looks down at a dog at a 28° angle of depression. "If the dog is 34 meters from the base of the tree, how high up is the cat?”

Which statement is not true?

A kite with a string 150 feet long makes an angle of 45° with the ground. Assuming the string is straight, how high is the kite?

From plane flying due east at 265m above sea level, the angles of depression of two ships sailing due east measure 35° and 25°. How far apart are the ships?

Determine the perimeter of the triangle

Write the trig ratio of cos E

A bird is flying at a height of 40 feet and spots an 8ft ledge on which to perch. If the top of the ledge is 22° angle of depression from the bird, how far must the bird fly before it can land?

A plane is flying at an altitude of 12,000m. From the pilot, the angle of depression to the airport tower is 32°. How far is the tower from a point directly beneath the plane?

A tree 10 meters high casts a 17.3 meter shadow. Find the angle of elevation of the sun.

In right triangle RTX , we know sin R=5/13 . If we know the hypotenuse is 117 units long, what is the perimeter of the triangle?

From the top of a fence, a person sites a lion on the ground at an angle of depression of 24°. If the man and the fence is 4.2 meters high, how far is the man from the lion?