Question

cose^2 45+tan^2 45-3sin^2 90 ​ evaluate

Answer 1

Answer:

0

Step-by-step explanation:

cosec^2 45 degrees = 2

tan^2 45 degrees = 1

sin^2 90 degrees = 1

Mate, please remember to always mention degrees (°) for the rest of your mathematical journey or else it may get confused for radian.

Hope this helps!!!!!!!