9cdma2_25.02.21 Flashcards

1

What trigonometry fact do we need to solve x?

tan 45 = o/a
sin 30 = o/h
30-60-90 triangle
45-45-90 triangle

2

Which ratio represents sine?

opposite/adjacent
hypotenuse/adjacent
adjacent/hypotenuse
opposite/hypotenuse

3

Calculate the missing sides

50
25
100
5

4

Using trigonometry you can

calculate RATIOS OF 2 FIGURES
calculate heights
calculate angles
calculate unknown side lengthS OF A PARALLELOGRAM

5

Calculate the missing sides

4
9
10
3

6

Find the Sine Ratio of Angle G.

5/12
5/13
12/13
12/5

7

What do you use trigonometry for

Find the area
Find angles of triangles
Find sides of triangles
Find a girlfriend

8

What is the sine ratio for angle A?

6/10
8/10
6/8
10/6

9

What is the sine ratio for 90°?

0
√2/√2
1/1
1

10

What is trigonometry?

The study of angles in all shapes, particularly circles
The study of triangles and the circular functions
The study of the unit circle
Painful.

11

When given two sides, how do you calculate a missing side?

Inverse Trig Ratio
Pythagorean Theorem
Triangle Sum Theorem
Trig Ratio

12

The Sine Ratio is...

Adjacent over Hypotenuse
Opposite over Adjacent
Opposite over Hypotenuse
Hippo over Rhino

13

The sine ratio is

a/o
o/h
o/a
a/h

14

Calculate the missing sides

5625
5600
70
75

15

What is the formula to calculate missing sides of triangles?

A2 + B2 = 32
I am not Einstien
I am bald
Energy is equal to mass times the speed of light squared.

16

Pythagoras or Trigonometry

Pythagoras
Neither
Trigonometry

17

Which trigonometry strategy should you use for the following triangle?

Sine Law
Cosine Law
Pythagorean Theorem
SOH CAH TOA

9cdma2_25.02.21

Questions 17

9cdma2_25.02.21

Questions 17