If sec theta plus tan theta p then sec theta - tan theta
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Given secθ+tanθ=P....(1)
we know
sec2θ−tan2θ=1........(2)
Dividing (2) by (1) we get
secθ−tanθ=1P....(3)
Now adding (1) and (3) we have
2secθ=P+1P=P2+1P
⇒secθ=P2+12P
⇒cosθ=2PP2+1
HOPE IT WILL HELP YOU
we know
sec2θ−tan2θ=1........(2)
Dividing (2) by (1) we get
secθ−tanθ=1P....(3)
Now adding (1) and (3) we have
2secθ=P+1P=P2+1P
⇒secθ=P2+12P
⇒cosθ=2PP2+1
HOPE IT WILL HELP YOU
Answered by
3
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