sec 50°sin 40° + cos 40°cosec50°
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Answer:
2
Step-by-step explanation:
sec 50°sin 40° + cos 40° cosec 50° = sin 40°/ cos 50°+ cos 40° / sin 50°
= sin 40°/ sin 40°+ sin 50° / sin 50° = 1 + 1 = 2
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