evaluate sec23°/cosec67°+ tan45°
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Answer:
2
Step-by-step explanation:
sec θ = cosec ( 90° - θ ) { Formula }
sec 23° = cosec ( 90 - 23 )°
sec 23° = cosec 67°
sec23° / cosec67°
= cosec67° / cosec67°
= 1
Value of tan 45° = 1
( sec23° / cosec67°) + tan45°
= 1 + 1
= 2
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