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Subtracting from both sides and dividing by 2 by two yields the power-reduction formula for sine: = ( ()). The half-angle formula for sine can be obtained by replacing θ {\displaystyle \theta } with θ / 2 {\displaystyle \theta /2} and taking the square-root of both sides: sin ( θ / 2 ) = ± ( 1 − cos θ ) / 2 ...
Microsoft Excel is a spreadsheet editor developed by Microsoft for Windows, macOS, Android, iOS and iPadOS.It features calculation or computation capabilities, graphing tools, pivot tables, and a macro programming language called Visual Basic for Applications (VBA).
The angle opposite the leg of length 1 (this angle can be labeled φ = π/2 − θ) has cotangent equal to the length of the other leg, and cosecant equal to the length of the hypotenuse. In that way, this trigonometric identity involving the cotangent and the cosecant also follows from the Pythagorean theorem.
In mathematics, the values of the trigonometric functions can be expressed approximately, as in (/), or exactly, as in (/) = /.While trigonometric tables contain many approximate values, the exact values for certain angles can be expressed by a combination of arithmetic operations and square roots.
Luka Dončić of the Mavericks will be out for an undetermined amount of time due to an unspecified wrist injury. (Photo by Sam Hodde/Getty Images) (Sam Hodde via Getty Images)
Republican Donald Trump has nearly erased Democrats' longstanding advantage among Hispanic men ahead of the Nov. 5 presidential election when he will face Democrat Kamala Harris, according to an ...
Sacramento Kings guard De'Aaron Fox (5) shoots over Houston Rockets forward Dillon Brooks (9) during the first half of an Emirates NBA Cup basketball game in Sacramento, Calif., Tuesday, Dec. 3, 2024.
The following is a list of integrals (antiderivative functions) of trigonometric functions.For antiderivatives involving both exponential and trigonometric functions, see List of integrals of exponential functions.