1.

Find.....I will mark u as brainlist.​

Answer»

ANSWER:

zero (0)

Step-by-step explanation:

cosec²45+tan²45-3sin²90

2+1-3(1)

3-3= 0

this problem can be EASILY solved LIKE this if you know the VALUES of cosec45,tan45,sin90

HOPE IT HELPS :)



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