Trigonometry Formulas Flashcards by Laetishia Dorvil | Brainscape

Q

SinA = ?

Reciprocal Identities

A

SinA= 1
——-
CSCA

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Q

CosA = ?

Reciprocal Identities

A

CosA = 1
-——
SecA

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Q

TanA= ?

Reciprocal Identities

A

TanA= 1
——-
CotA

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Q

CSCA= ?

Reciprocal Identities

A

CSCA= 1
——-
SinA

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Q

SecA= ?

Reciprocal Identities

A

SecA= 1
–——
CosA

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Q

TanA= ?

Ratio Identities

A

TanA= SinA
-——-
CosA

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Q

CotA= ?

Ratio Identities

A

CotA= CosA
———
SinA

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Q

Tan^2A = ?

Ratio Identities

A

Tan^2A= Sin^2A
-———-
Cos^2A

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Q

Cot^2A = ?

Ratio Identities

A

Cot^2A= Cos^2A
————
Sin^2A

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Q

Sin^2A + Cos^2A =

Square Identities

A

Sin^2A + Cos^2A = 1

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Q

1 - Cos^2A = ?

Square Identities

A

1 - Cos^2A = Sin^2A

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Q

1 - Sin^2A = ?

Square Identities

A

1 Sin^2A = Cos^2A

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Q

1 + Cot^2A = ?

Square Identities

A

1 + Cot^2A = CSC^2A

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Q

Tan^2A + 1 = ?

Square Identities

A

Tan^2A + 1 = SEC^2A

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Q

SinA = ?

A

SinA= opposite
-————-
hypotenuse

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Q

———-📶———

———-

A

Hypotenuse/slant
📶 Adjacent
Opposite

Q

CosA = ?

A

CosA = adjacent
-————
hypotenuse

Q

TanA = ?

A

TanA= opposite
-————
adjacent

Q

What is the inverse of Sin? The formula?

A

Cosecant = hypotenuse
—————-
opposite

Q

What is the inverse of Cos? The formula?

A

Secant = adjacent
-————-
hypotenuse

Q

What is the inverse of Tan? The formula?

A

Cotangent = adjacent
————-
opposite