CosB= 3/5
Find Sec^2B -1
Answers
Answered by
1
cosB=3/5
secB=1/cosB
secB=5/3
.: secB²-1= (5/3)²-1
=25/9-1
=25-9/9
=16/9
secB²-1=16/9
secB=1/cosB
secB=5/3
.: secB²-1= (5/3)²-1
=25/9-1
=25-9/9
=16/9
secB²-1=16/9
Answered by
1
sec²B-1=?
=(5/3)²-1
=25/9-1
16/9
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