Question

If Ꮎ be an acute angle and
5 cosec 0 = 7, then evaluate
sin2 0 + cos2 0 -1. ​

Answer 1

Answer:

0

Step-by-step explanation:

sin^20 + cos^20-1

sin^20+cos^20=1

1-1=0

Answer 2

Step-by-step explanation:

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