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Answer:
tan 15degree +sec 15degree
Answer:
=tan 15° + sec 15°
Step-by-step explanation:
=cot 75° + cosec 75°
=cot(90-15)° + cosec(90-15)°
=tan 15° + sec 15° [since cot(90-Ф)=tanФand cosec(90-Ф)=sec Ф]
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