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Trigonometry ☺
RHS
Cos∅/1-sin∅ + Cos∅/1-sin∅
= Cos∅( 1+ Sin∅) + Cos∅(1-Sin∅)/1²-Sin²∅
= Cos∅+Cos∅Sin∅+Cos∅-Cos∅Sin∅/1²-Sin²∅
= 2Cos∅/1-Sin²∅
= 2Cos∅/Cos²∅
= 2 /Cos∅
= 2/1/Sec∅ ( °.° Cos∅ = 1/Sec∅ )
=2sec∅
RHS
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Trigonometry ☺
RHS
Cos∅/1-sin∅ + Cos∅/1-sin∅
= Cos∅( 1+ Sin∅) + Cos∅(1-Sin∅)/1²-Sin²∅
= Cos∅+Cos∅Sin∅+Cos∅-Cos∅Sin∅/1²-Sin²∅
= 2Cos∅/1-Sin²∅
= 2Cos∅/Cos²∅
= 2 /Cos∅
= 2/1/Sec∅ ( °.° Cos∅ = 1/Sec∅ )
=2sec∅
RHS
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