Trigonometric identities list page 1/4
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Trigonometric identities – Pages content:
pg.1
1. Basic trigonometric identities
2. Relations between two different trigonometric functions
pg.2
3. Angleaddition and anglesubtraction identities
4. Doubleangle and tripleangle identities
pg.3
5. Halfangles identities.
6. Trigonometric function expressed though halfangle tangent
pg.4
7. Identities for addition and subtraction of trigonometric functions
8. Identities for multiplication of trigonometric functions
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For the description of the trigonometric functions used in this post look here.
1. Basic trigonometric identities.





2. Relations between two different trigonometric functions.
Note:
Click on the formula to see its demonstration.

page 1, 2, 3, 4
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