What is the sum of the first seven positive odd numbers?

1.1 – Trigonometry Vocabulary 1. Trigonometry – the study of triangles. 2. Ray – one half of a line 3. Angle – two rays connected by a common vertex Angle measured counterclockwise is a positive angle Angle measured clockwise is a negative angle. 4. Acute Angle – positive angle measuring between 090 degrees. 5. Right Angle – measures...