7п
Given that 5cos
5cos’a 2 sina – 2 = 0, (* <a
then the value of cot
4
15
4​

1 thought on “7п<br />Given that 5cos<br />5cos’a 2 sina – 2 = 0, (* <a<br />then the value of cot<br />4<br />15<br />4​”

1. – 5 2

   5. By taking x = , y =

   and z=

   3

   7

   verify that-

   4′

   (l) x + (y + 2) #X

   Reply