Question

3 13. If tan A= 3/4 then the value of tan A²+ cot²A is?
options:
i) 331/124
ii) 325/129
iii) 324/124
iv) 337/144​

Answer 1

Answer:

iv)337/144

Step-by-step explanation:

if tan A= 3/4 then cotA=4/3

then tan A²+ cot²A

=(3/4)²+ (4/3)²

=9/16+16/9

=81/144+256/144

=337/144