Integration and Trigonometric Identities

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18 Terms

1

∫ xⁿ dx

xⁿ⁺¹ / (n + 1) + c

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2

∫ eˣ dx

eˣ + c

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3

∫ (1 / x) dx

ln|x| + c

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4

∫ cos x dx

sin x + c

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5

∫ sin x dx

-cos x + c

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6

∫ sec² x dx

tan x + c

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7

∫ cosec x cot x dx

-cosec x + c

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8

∫ cosec² x dx

-cot x + c

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9

∫ sec x tan x dx

sec x + c

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10

sin(A + B)

sin A cos B + cos A sin B

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11

sin(A - B)

sin A cos B - cos A sin B

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12

cos(A + B)

cos A cos B - sin A sin B

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13

cos(A - B)

cos A cos B + sin A sin B

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14

tan(A + B)

(tan A + tan B) / (1 - tan A tan B)

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15

tan(A - B)

(tan A - tan B) / (1 + tan A tan B)

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16

sin(2A)

2 sin A cos A

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17

cos(2A)

cos² A - sin² A ≡ 2 cos² A - 1 ≡ 1 - 2 sin² A

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18

tan(2A)

(2 tan A) / (1 - tan² A)

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