Evaluate - Tan 55 degree upon Cot 35 degree
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∵tan(90°-α) = cotα
tan55°/cot35°
=[tan(90°-35°)]/cot35°
=cot35°/cot35°
=1
tan55°/cot35°
=[tan(90°-35°)]/cot35°
=cot35°/cot35°
=1
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