Question

If sin A = root 3 by 2 find the value of 2 cot square A-1​

Answer 1

Step-by-step explanation:

sin a= p/h=√3/2

b=√4-3

b=1

cos a=1/2

cot a=b/p

cot a=1/√3

=2cot a -1

=2*1/√3 -1

(2-√3)/√3