Evaluate without using trigonometric tables: 2(sec2 35°- cot 2 55°) - tan 18 tan 36 tan 60 tan 54 tan 72 / sin2 32 + sin2 58
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Answer:
2 - root 3
Step-by-step explanation:
make pairs forming 90 degree like tan 18 and tan 72 etc.
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