Math, asked by yamini74, 1 year ago

help in this question
Evaluate this

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Anonymous: I think answer is 1

yamini74: dekhte h

Anonymous: what do u mean

Answers

Answered by era55

1

=tan35×tan40×1×tan (90-55)×tan (90-40)
=tan35×tan40×1×1/tan×35×1/tan×40
=1

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