Question

A = tan31° × tan59° / cot16° × cot74°

Answer 1

Answer is 1

Step-by-step explanation:

1. tan 31 × tan(90-31)/cot 16× cot (90-16)
2. tan 31 × cot 31/ cot 16 × tan16
3. tan 31 × 1÷ tan 31/cot 16×1÷cot 16
4. 1÷1
5. 1