Question

Tan 5 tan 25 tan 45 tan 65 tan 85

Answer 1

Tan 5 tan 25 tan 45 tan 65 tan 85
=> Tan 5 tan 25 tan 45 tan (90-25) tan (90-5)
=> Tan 5 tan 25 tan 45 cot25 cot5
=> 1*1*1
=>1

Answer 2

Answer:

tan 5 tan 25 tan 45 tan 65 tan 85

=>tan5 tan25 tan45 tan(90-25) tan(90-5)

tan5 tan25 tan45 cot 25 cot5

1*1*1

1

Step-by-step explanation:

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