Question

if c cot A = 4, find the value of 1-tan²A / 1+tan² A

Answer 1

Answer:

your answer is =15/17

Step-by-step explanation:

here,

cotA = 4

1-tan²A / 1+tan² A = (1-1/cot²A)/(1+1/cot²A)

=(1-1/4²)/(1+1/4²)

=(15/16)/(17/16)

=15/16 × 16/17

. =15/17

I hope it's help you