Question

if (tan0 + cot0) =5 then (tan^2 0+ cot^2 0) =?​

Answer 1

Answer:

23

Step-by-step explanation:

tan theta + cot theta = 5

(tan theta + cot theta)²=5²

tan²theta + cot²theta + 2 tan theta x cot theta = 25

                                                                  [tan theta x cot theta = 1]

so,

tan²theta + cot²theta = 25 - 2(1)

tan²theta + cot²theta = 23