Question

evaluate 5 tan²60 + 7 cot ²45​

Answer 1

Answer:

tan60=root 3

5tan2 60=15

7cot2 45=7

7+15=22 answee

Answer 2

Answer:

$5 (\sqrt{3 } ) {}^{2} + 7 \times 1 \\ = 5 \times 3 + 7 \\ = 15 + 7 \\ = 22$