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ANNU

· started a discussion

· 1 Months ago

question 8 (Question:115613.0)

why should not option B is correct?

Question:
\(\cfrac{cos\ 5^o+sin\ 5^o }{cos\ 5^o-sin\ 5^o}\)     is equal to :
Options:
A) tan 5º
B) cot 45º
C) tan 50º
D) tan 40º
Solution:
Ans: (c)

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