Question

evaluate the following

i) tan48° tan23° tan42° tan67°​

Answer 1

Answer:

1

Step-by-step explanation:

cot 42° cot 67° cot 58° cot 23°

cot 42° cot 58 ° cot 67° cot 23°

cot 90° cot 90°

1

Answer 2

Answer:

cot 42° cot 67° cot 58° cot 23°

cot 42° cot 67° cot 58° cot 23°

cot 90° cot 90°

1