Plz answer this MCQ......
Question 23......
Attachments:
MANKOTIA:
qn 23) option c is correct.
qn25) option c (4S) is correct
Answers
Answered by
0
tan86°=m i.e nothing but cot4°=m and tan176°=tan(90+86)°=-cot86°=-tan4°.so tan4°=1/m
given tan176°+cot4°/m+tan4° on substituting we get -1/m+m/m+1/m=m^2-1/m^2+1.
so answer is option a
given tan176°+cot4°/m+tan4° on substituting we get -1/m+m/m+1/m=m^2-1/m^2+1.
so answer is option a
Answered by
2
Step-by-step explanation:
This picture is your answer
Attachments:
Similar questions