help in this question
Evaluate this
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Anonymous:
I think answer is 1
dekhte h
what do u mean
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=tan35×tan40×1×tan (90-55)×tan (90-40)
=tan35×tan40×1×1/tan×35×1/tan×40
=1
=tan35×tan40×1×1/tan×35×1/tan×40
=1
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