1 Answers Listen to Expert Answers on Vokal - Indias Largest Question Answers Platform in 11 Indian Languages. Aaj hum apke liye ek bahut hi important post lekar aaye hain. Is post me hum aapke sath Maths Formulas Pdf lekar aye hain. TanAB tanAtanB1-tanAtanB tanA-B tanA-tanB1tanAtanB sin²A 2sinAcosA.