Flashcards
Trig Identities
Cards in this deck (16)
- 1cos^2 + sin^21
- 2sin(A+B)sinAcosB + sinBcosA
- 3sin(A-B)sinAcosB - sinBcosA
- 4cos(A+B)cosAcosB-sinAsinB
- 5cos(A-B)cosAcosB+sinAsinB
- 6sin^2(x) + cos^2(x)1
- 7tan^2(x)+1sec^2(x)
- 8sin(a±b)sin(a)cos(b)±cos(a)sin(b)
- 9cos(a±b)cos(a)cos(b)∓sin(a)sin(b)
- 10tan(a±b)[tan(a)±tan(b)]/ [1∓tan(a)tan(b)]
- 11sin(2x)2sin(x)cos(x)
- 12cos(2x)2cos^2 (x) −1
1−2sin^2(x) - 13tan(2x)2tan(x)/[1-tan^2(x)]
- 141+cot^2(x)cosec^2 (x)
- 15asin(x)±bcos(x)Rsin(x±α)
- 16acos(x)±bsin(x)Rcos(x∓α)
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- A level Maths PURE (Trig Ratios, Identities, Equations, Functions) Flashcards on Trig Identities, created by Gabe H on 26/11/2025.
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- Gabe H
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