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  2. List of trigonometric identities - Wikipedia

    en.wikipedia.org/wiki/List_of_trigonometric...

    Ptolemy's theorem states that the sum of the products of the lengths of opposite sides is equal to the product of the lengths of the diagonals. When those side-lengths are expressed in terms of the sin and cos values shown in the figure above, this yields the angle sum trigonometric identity for sine: sin(α + β) = sin α cos β + cos α sin β.

  3. Exact trigonometric values - Wikipedia

    en.wikipedia.org/wiki/Exact_trigonometric_values

    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. The angles with trigonometric values that are ...

  4. World's Hottest Tour - Wikipedia

    en.wikipedia.org/wiki/World's_Hottest_Tour

    Most Wanted Tour. (2024) The World's Hottest Tour[ 1] was the fourth concert tour by Puerto Rican rapper and singer-songwriter Bad Bunny and his first stadium tour, in support of his fourth studio album Un Verano Sin Ti (2022). DJs Alesso & Diplo were opening acts on select dates. The tour included 43 concert dates in a span of four months.

  5. Un Verano Sin Ti - Wikipedia

    en.wikipedia.org/wiki/Un_Verano_Sin_Ti

    Un Verano Sin Ti ( Spanish pronunciation: [um beˈɾano sin ˈti]; transl. A Summer Without You) is the fourth solo studio album, and fifth overall, by Puerto Rican rapper and singer Bad Bunny. [ 5] It was released on May 6, 2022, by Rimas Entertainment following the release of his previous record El Último Tour Del Mundo (2020).

  6. Trigonometric functions - Wikipedia

    en.wikipedia.org/wiki/Trigonometric_functions

    In mathematics, the trigonometric functions (also called circular functions, angle functions or goniometric functions) [1] [2] are real functions which relate an angle of a right-angled triangle to ratios of two side lengths. They are widely used in all sciences that are related to geometry, such as navigation, solid mechanics, celestial ...

  7. Inverse trigonometric functions - Wikipedia

    en.wikipedia.org/wiki/Inverse_trigonometric...

    A right triangle with sides relative to an angle at the point. Inverse trigonometric functions are useful when trying to determine the remaining two angles of a right triangle when the lengths of the sides of the triangle are known. Recalling the right-triangle definitions of sine and cosine, it follows that.

  8. Spending My Time - Wikipedia

    en.wikipedia.org/wiki/Spending_My_Time

    Roxette singles chronology. " Spending My Time " is a song by Swedish duo Roxette, released as the fourth single from their third studio album, Joyride (1991). It was written by Per Gessle and Mats Persson, and produced by Clarence Öfwerman. The single attained moderate success, reaching the top 10 in Germany and Italy, and the top 20 in ...

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