Question

cos^2 90+cosec^2 90-cot^2 45​

Answer 1

Answer:

it is not clear to me

Step-by-step explanation:

i will answer it but please rewrite it

Answer 2

Answer:

Answer is: 0

Step-by-step explanation:

cos^2 90 + cosec^2 90 - cot^2 45

We know the values of,

cos90=0, cosec90=1, cot45=1

Now, put the values with respective squares,

= 0^2 + 1^2 - 1^2

= 0+1-1

=0

I hope this answer helps!

Good Luck!