CosecA+cosA=x ,find CosecA- cosA
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SinA - cosA= 0
= sinA = cosA
=sinA = sin (90 -A)
If A < 90 .then
= (A) = (90- A)
=2A = 90
A = 45 …
So cosec A = cosec 45
CosecA = 1/sinA
Therefore
Cosec A = 1/ sin 45 = 1.414
Thats it :)
if A isn’t < 90 , there are formulas to solve this.
= sinA = cosA
=sinA = sin (90 -A)
If A < 90 .then
= (A) = (90- A)
=2A = 90
A = 45 …
So cosec A = cosec 45
CosecA = 1/sinA
Therefore
Cosec A = 1/ sin 45 = 1.414
Thats it :)
if A isn’t < 90 , there are formulas to solve this.
dhruvanandsingh:
but what is cosecA-cosA in terms of x
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