Join the growing community of curious minds on IDNLearn.com and get the answers you need. Our platform provides accurate, detailed responses to help you navigate any topic with ease.
Answer:
-2
Step-by-step explanation:
sec 180 + sin 270 - tan 180 + cot 270
= -1 + (-1) - 0 + 0
= -1 + (-1)
= -2