1. tan 85° tan 65º tan 45º tan 25° tan 5°
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Answer:
1
Step-by-step explanation:
convert tan5 into cot 85 and tan 25 into cot 65
then take the reciprocal of cot 85 and cot 65 which will be 1/tan85 and 1/tan 65 and now cancel them , put the value of tan 45 which is 1.
HOPE IT HELPED
PLZ MARK AS BRAINLIEST
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