Question

if 3 cot a is equal to 4 find the value of cos squared plus one upon cos squared minus one​

Answer 1

Answer:

-41/9

Step-by-step explanation:

Cot A=4/3

(4/5)squared +1/(4/5)squared-1

16/25+1/16/25-1

41/25÷ -9/25

-41/9