Question

Please answer my question​

Answer 1

option b) -1

its your answer

Answer 2

Answer:

a) 1

Step-by-step explanation:

tan 1 and tan 89 cancel ..tan 2 and tan 88 cancel.... and so on

tanxtan(90-1)

= tan1xcot1

= tan1/tan1

= 1

and so on till we reach tan 45 which is equal to 1.

Hope this helps you :-)