Question

if cot sq thetha =49upon 64 then cot2theta​

Answer 1

Answer:

cot2θ = -15/14

Step-by-step explanation:

given, cot^2θ = 49/64

then, cotθ = 7/8

and,

cot2θ = (cot^2θ) - 1 whole divided by 2cotθ

cot2θ = (7/8)^2 - 1 whole divided by 2x7/8

cot2θ = -15/14

Answer 2

Answer:

pls see the attachment