Question

8) The value of tan 48°, tan 23°, tan 42°, tan 67°
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Answer 1

Answer:- 1

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Answer 2

Answer:

tan(90-42) °×tan(90-67) °×tan 42°×tan 67°

====>cot42°×cot67°×tan 42°×tan67°

====>cot42°×tan42°×cot67°×tan67°

===>1×1

==>1

So the answer is 1.