1-sinx/1+sinx=tan(π\4-x/2)
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(sin90-sinx)/(sin90+sinx)
=>{ 2sin(90-x)/2.cos (90+x)/2}/{2sin (90+x)/2.cos (90-x)/2}
=> tan (45-x/2).cot (45+x/2)
I think some thing you miss this question
please again look the question
=>{ 2sin(90-x)/2.cos (90+x)/2}/{2sin (90+x)/2.cos (90-x)/2}
=> tan (45-x/2).cot (45+x/2)
I think some thing you miss this question
please again look the question
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