trigonometric formulas - EAS
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Feb 17, 2019 · Trigonometry Formulas List Basic Trigonometric Function Formulas. There are basically 6 ratios used for finding the elements in Trigonometry. They... Reciprocal Identities. All these are taken from a right-angled triangle. When the height and base side of the right... Trigonometry Table. Below is ...
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Trigonometry Formulas - Examples | List of Trigonometric …
https://www.cuemath.com/trigonometry/trigonometry-formulaTrigonometry Formulas Involving Double Angle Identities sin (2x) = 2sin (x) • cos (x) = [2tan x/ (1 + tan 2 x)] cos (2x) = cos 2 (x) - sin 2 (x) = [ (1 - tan 2 x)/ (1 + tan 2 x)] cos (2x) = 2cos 2 (x) - 1 = 1 - …
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Jul 04, 2022 · Various sets of formulas for trigonometry are given below: 1. Basic Formulas 2. Reciprocal Identities 3. Trigonometric Ratio Table 4. Periodic Identities 5. Cofunction Identities …
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- Different Trigonometric Formulas: Sine is equivalent to the side opposite a given angle in a …
- Cofunction Identity: sin(90°− x) = cos x. cos(90°− x) = sin x. tan(90°− x) = cot x. cot(90°− x) = …
- Sum and Difference Trigonometric Formula: sin(x + y) = sin(x)cos(y) + cos(x)sin(y) cos(x + y) …
- Double Angle Formula: sin(2x) = 2sin(x) • cos(x) = [2tan x/(1 + tan2x)] cos(2x) = cos2(x) – …
- Inverse Trigonometric Function: sin-1 (–x) = – sin-1 x. cos-1 (–x) = π – cos-1 x. tan-1 (–x) = …
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