Question

cos square theta + 1 by 1 + cot square theta is equal to one

Answer 1

(cos²© + 1) / (cot²© + 1) = 1
cos²© + 1 = cot²© + 1
cos²© = cot²©
cos²© = cos²©/sin²©
1 = 1/sin²©
sin²© = 1
sin © = 1
© = 90