Right angled
In a right triangle, angle A can be found by finding the ratio of the length of the opposite side to the length of the hypothenuse. What trigonometric function is this?
What is sin function (sinA)?
What is the tangent of 30 degrees?
0.57735
What do sin 30 degrees and cos 60 degrees equal to?
What is 0.5?
An angle with less than 90 degrees measurement is called ...
What is the acute angle?
In a right triangle, angle A can be found by finding the ratio of the length of the adjacent side to the length of the hypothenuse. What trigonometric function is this?
What is cosine function?
What can be done to angle A that equals the ratio of the length of the opposite side to the length of the hypothenuse.
What is take the tangent of angle A?
What does the sin of 45 degrees equal?
What is 0.7071?
The longest side of a right-angled triangle.
What is the hypotenuse?
In a right triangle, if the adjacent side is 3 and the opposite is 4 the hypotenuse is ...
The hypotenuse is 5 cm.
In a right triangle, angle A can be found by finding the ratio of the length of the opposite side to the length of the adjacent side. What trigonometric function is this?
What is tangent function (tan A)?
If the ratio is known, but the tangent of an angle is not, what can we do to determine the angle?
e.g. tanA = 0.4567
Take the inverse function of the ratio (tan-1 0.4567)
What does the cosine of 30 degrees equal?
What is 0.8660?
The side directly across from the angle of interest on a right-angled triangle.
What is the opposite side?
For the when taking the cosine of an angle, what is it equal to in terms of arm lenght?
What is cos A = adjacent / hypotenuse?
The tangent ratio can be use to solve this equation:
tan49o = 45cm / X
What side does x represent?
What is the adjacent side length?
What does the tangent of 15 equal to?
A tool to used to measure an angle in the real world that is above or below the horizontal.
What is a clinometer?
Triangles that have identical internal angles but different side lengths are called
What is similar triangles?
For the when taking the tangent of an angle, what is it equal to in terms of arm length?
What is tan A = opposite / adjacent?
When you have the equation below, how do you isolate for x?
tan10 = X / 35cm
What is multiply both sides by 35cm?
What does X equal when tan X = 1
What is 45 degrees?
he angle between the horizontal through the eye level and a line of sight to a point below eye level.
What is an angle of decline?