Trigonometry Flashcards

1
Q

Where is the opposite?

A

On the opposite side of the angle and the hypotenuse

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2
Q

Where is the hypotenuse?

A

On the diagonal side

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3
Q

Where is the adjacent?

A

On the side with the angle and right angle square thing

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4
Q

SOH

A

Sin = opp divide hyp

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5
Q

CAH

A

Cos = adj divide hyp

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6
Q

TOA

A

Tan = opposite divide adj

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7
Q

When your finding the x side and its this way round? X/A

A

If the trinagle is Sin (for example) u do SinB (whatever number the angle is) divide X/A. You then switch it around so it becomes X = A x SinB

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8
Q

When your finding the x side and its this way round? A/X

A

You first write down Sin/Cos/Tan B (whatever number the angle is) and then u write = A/X. U then switch it around so it becomes x = A/sin,cos,tan B

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9
Q

What should Hyp always be?

A

The biggest number

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10
Q

What to do when X is your angle?

A

If the traingle is cos, u write down CosX = A/B
Change it around so it becomes X = Cos-1 (A/B)
You use inverse cos for this, same with sin and tan

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