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arshdeep singh

· started a discussion

· 1 Months ago

if we use C & D rule answer should be cot5

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)

Knowledge Expert

· commented

· 1 Months ago

Dear student,
Given answer is correct, please see the video.
Keep learning,
Team TR

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