Question

if tan+cot=3 find tan²+cot²​

Answer 1

Answer:

7

Step-by-step explanation:

Answer 2

tan + cot = 3

suppose angle is @

(tan@ + cot@)^2 = 9

tan^2@ + cot^2@ +2tan@cot@ = 9

tan^2@ + cot^2@ = 7

since

tan@cot@ = 1