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Trigonometry: Simmetry, Shifts, Pythagorean Identities
Simmetry, phase shifts and Pythagorean identities for the trig functions sin, cos, tan, cot, sec, csc
Simmetry: The symmetries along x → −x, x → π/2 − x and x → π − x for the trigonometric functions are: |
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| Shifts:The shifts by π/2 and π are: | Pythagorean Identities |
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