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A Level Maths Equations > Trigonometry (3) > Flashcards

Trigonometry (3) Flashcards

1
Q

What is cosec pheta?

A

1/sin pheta

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2
Q

1/sin pheta

A

What is cosec pheta?

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3
Q

What is sec pheta?

A

1/cos pheta

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4
Q

1/cos pheta

A

What is sec pheta?

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5
Q

What is cot pheta?

A

1/tan pheta

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6
Q

1/tan pheta

A

What is cot pheta?

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7
Q

What is sin^2 pheta + cos^2 pheta?

A

1

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8
Q

1

A

What is sin^2 pheta + cos^2 pheta?

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9
Q

What is sec^2 pheta?

A

1 + tan^2 pheta

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10
Q

1 + tan^2 pheta

A

What is sec^2 pheta?

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11
Q

What is cosec^2 pheta?

A

1 + cot^2 pheta

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12
Q

1 + cot^2 pheta

A

What is cosec^2 pheta?

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13
Q

What is sin pheta?

A

pheta

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14
Q

pheta

A

What is sin pheta?

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15
Q

What is tan pheta?

A

pheta

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16
Q

pheta

A

What is tan pheta?

17
Q

What is cos pheta?

A

1 - (1/2) pheta^2

18
Q

1 - (1/2) pheta^2

A

What is cos pheta?

19
Q

What is cot x also equivalent to?

A

cosx/sinx

20
Q

cosx/sinx

A

What is cot x also equivalent to?

21
Q

Find an expression for sin3x in terms of sinx only?

A 
sin(2x+x) = sin2xcosx + cos2xsinx
(2sinxcosx)cosx + (1-2sin^2x)sinx
2sinxcos^2x + sinx - 2sin^3x
2sinx(1-sin^2x) + sinx - 2sin^3x
2sinx - 2sin^3x + sinx - 2sin^3x
3sinx - 4sin^3x

A Level Maths Equations (66 decks)

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