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Flashcards in Trigonometry Key Words Deck (6)
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What is the hypotenuse

The longest side


What is the opposite

The side opposite the angle being used


What is the adjacent

The (other) side next to the angle being used


When you put sin,cos or tan in the calculator what do you put aswell

Sin x
Cos x
Tan x

X is the angle being used


How do you find the angle using the inverse

Press shift then sin,cos or tan


What is the 3 step method of 3D trigonometry

1.make a right angled triangle between the line and the plane
2.draw a 2D sketch of this triangle and mark on lengths of two sides(may have to use Pythagoras to work out one)
3:use trig to find angle