Question

solve this question plzz ​

Answer 1

Answer:

Cot= 4/3

L.H.S=

(1-tan^2)/1+tan^2)=(1-9/16)/1+9/16)= 7/16/25/16=7/25

Answer 2

Answer:

find the value of lambda if mode of the data is 20: 15, 20, 25, 18,13, 15, 25,15, 18, 17,20,25,20 lambda 18 by subtracting.