Question

show that tan48^tan16^tan42^tan74^=1​

Answer 1

Answer:

sorry for the late reply

Answer 2

Step-by-step explanation:

tan(90-A)= cotA

tan(90-48)=cot42

cot42*tan42=1

tan(90-16)=cot74

cot74*tan74=1

1*1=1

hope that helped:)