Home
Class 11
MATHS
"cot 7" (1^(0))/(2) - "cot 37" (1^(0))/(...

`"cot 7" (1^(0))/(2) - "cot 37" (1^(0))/(2) - "cot 52" (1^(0))/(2) + "cot 82" (1^(0))/(2)=`

A

`4 sqrt(2)`

B

4

C

2

D

1

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Similar Questions

Explore conceptually related problems

4 cos 36^(@) + cot 7 (1^(@))/(2)=

In Delta ABC r_1 cot "" (A)/(2) + r_2 cot "" (B)/(2) + r_3 cot "" ( C )/(2) =

r^(2) cot ""(A)/(2) cot ""(B)/(2) cot ""(C)/(2)

cot7(1^@)/2-cot37(1^@)/2-cot52(1^@)/2+cot82(1^@)/2 =

( cot ""(A)/(2) + cot ""(B)/(2)+ cot ""( C )/( 2))/( cot A + cot B + cot C ) =

In Delta ABC , r ( r_1 cot "" ( A) /(2) + r_2 cot "" ( B) /( 2) + r_3 cot "" ( C) /(2) ) =

In Delta ABC , if a=3 , b=4,c=6 then ("cot" (A)/(2)+"cot" (B)/(2)+ "cot" ( C)/(2))/("cot" A + "cot" B + "cot" C)=

A=tan 15^(0)+cot15^(0),B= tan 22(1^(0))/(2)+cot 22(1^(0))/(2) and C= sin 54^(0)-sin 18^(0) then the ascending order of A,B C is

r_1r_2r_3 = r^(3) cot^(2) ""(A)/(2) cot ^(2) ""( B)/(2) "" cot ^(2) ""(C)/(2)