Use the exact values of the ratios and find the value of tan 45° + sin 30°​

Write a recursive sequence that represents the sequence defined by the following explicit formula:

Use the formulas a = x 2 – y 2, b = 2xy, c = x 2 + y 2 to answer this question. one leg of a right triangle has length 11 and all sides are whole numbers. find the lengths of the other two sides. the other leg = a0 and the hypotenuse = a1

Which of the following is the best first step in solving the equation below? 4+2㏒³x=17