If cos A = 3/5, find the value of cosec A.
siddhartharao77:
I think it's 5/4
I've written the same
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Answered by
1
it's value is 5/4 as cosec=H/B
welcome
Answered by
5
we can also solve it by identity
sin^2A+cos^2A=1
sin^2A=1-cos^2A
sinA=√(1-cos^2A)
sinA=4/5
cosecA= 1/sinA
cosecA=5/4
sin^2A+cos^2A=1
sin^2A=1-cos^2A
sinA=√(1-cos^2A)
sinA=4/5
cosecA= 1/sinA
cosecA=5/4
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