May 1, 20201 dakika
Based on ABC triangle with hypotenuse 1 unit, we can prove the equation of cos2x = 2.cosx² - 1 = cosx² - sinx² = 1 – 2.sinx² as follows.
Based on ABC triangle with hypotenuse 1 unit, we can prove the equation of cos2x = 2.cosx² - 1 = cosx² - sinx² = 1 – 2.sinx² as follows.
Fizik, Kimya, Matematik, Tarih ve Genel Kültür Sevdiricisi
Fizik, Kimya, Matematik, Tarih ve Genel Kültür Sevdiricisi
