Question

please do fast it's urgent ​

Answer 1

Answer:

Step-by-step explanation:

given,tana=cotb

tan a=cot b

tan a=tan (90-b)       (since cot a = tan(90-a))

a=90-b

a+b=90

hence proved

Answer 2

Answer:

➡tanA = cotB

=> tanA= tan(90°-B)

=> A= 90° - B

=> A+B = 90°

✔HENCE IT PROVED