Question

Hi! I was absent today and did not understand this lesson please I will be really grateful if you help me ! I appreciate it this is classwork assignment does not count as a test and the first one was wrong I tried but it was wrong

Answer 1

Step-by-step explanation

Given the identity

`\cot ^2x+\csc ^2x=1+2\cot ^2x`

Recall from trigometry identities that

`1+cot^2x=csc^2x`

Therefore,

`\cot ^2x+\csc ^2x=\cot ^2x+(1+cot^2x)=1+2\cot ^2x`

Answer: Option C