Question

I need answers for these two questions

Answer 1

Answer:

6) 3

7) 0

it's just my answer I am not sure

if it right mark as brainliest

Step-by-step explanation:

hope it helps you

Answer 2

Answer:

6.2

7.-1

Step-by-step explanation:

6. Let us assume theta is 45°

So then tan(theta)+cot(theta)=2

and tan(theta)=cot(theta)=1

Now

tan(theta)^7+cot(theta)^7=1^7+1^7=1+1=2

7.cos90°=0

cos 180°= -1

I hope this solves your doubt