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  2. Mnemonics in trigonometry - Wikipedia

    en.wikipedia.org/wiki/Mnemonics_in_trigonometry

    Signs of trigonometric functions in each quadrant. All Students Take Calculus is a mnemonic for the sign of each trigonometric functions in each quadrant of the plane. The letters ASTC signify which of the trigonometric functions are positive, starting in the top right 1st quadrant and moving counterclockwise through quadrants 2 to 4.

  3. Trigonometry - Wikipedia

    en.wikipedia.org/wiki/Trigonometry

    Abu al-Wafa had sine tables in 0.25° increments, to 8 decimal places of accuracy, and accurate tables of tangent values. [16] He also made important innovations in spherical trigonometry [17] [18] [19] The Persian polymath Nasir al-Din al-Tusi has been described as the creator of trigonometry as a mathematical discipline in its own right.

  4. California State Tax Guide 2024: Income, Sales, Property Tax ...

    www.aol.com/finance/california-state-income...

    Although these individuals are also taxed on a graduated basis, the tax is a flat amount from the California Tax Table, which lists hundreds of small income ranges, such as $0 to $50, and assigns ...

  5. Southern California home values near record despite the high ...

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  6. The SoCal housing market is cooling. Here's how far prices ...

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    Southern California's median home sale price dropped to $750,000 in June, another sign that the ultra-competitive market is slowing down.

  7. Proofs of trigonometric identities - Wikipedia

    en.wikipedia.org/wiki/Proofs_of_trigonometric...

    For the sine function, we can handle other values. If θ > π /2, then θ > 1. But sin θ ≤ 1 (because of the Pythagorean identity), so sin θ < θ. So we have ⁡ < <. For negative values of θ we have, by the symmetry of the sine function

  8. State of health - Wikipedia

    en.wikipedia.org/wiki/State_of_health

    State of health (SoH) is a figure of merit of the condition of a battery (or a cell, or a battery pack), compared to its ideal conditions.The unit of SoH is percent (100% = the battery's conditions match the battery's specifications).

  9. List of mountain peaks of California - Wikipedia

    en.wikipedia.org/wiki/List_of_mountain_peaks_of...

    Mount Whitney is the highest mountain peak in the Sierra Nevada, the State of California, and the contiguous United States. This article comprises three sortable tables of major mountain peaks [a] of the U.S. State of California. The summit of a mountain or hill may be measured in three principal ways: