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Flashcards in Trig formulas Deck (10)
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1
Q

sin (A+B)

A

sinAcosB + cosAsinB

2
Q

sin (A-B)

A

sinAcosB - cosAsinB

3
Q

cos (A+B)

A

cosAcosB -sinAsinB

4
Q

cos (A-B)

A

cosAcosB+sinAsinB

4
Q

tan (A+B)

A

1-tanAtanB

5
Q

tan (A-B)

A

1 + tanAtanB

6
Q

sin2A

A

2sinAcosA

7
Q

cos2A

A

1) cos^2A - sin^2A
2) 2cos^2A-1
3) 1-2sin^2A

8
Q

tan2A

A

1-tan^2A

9
Q

when y=uv

A

dy du dv
—- = v —- + u ——
dx dx dx