costheta / 1+ sin theta + 1 + sin theta / costheta = 2sectheta
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Answer:
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Step-by-step explanation:
taking lcm
we get
cos^2Q+(1+sinQ)^2/(1+sinQ)(cosQ)
cos^2Q+1+sin^2Q+2sinQ/(1+sinQ)(cosQ)
2+2sinQ/(1+sinQ)(cosQ)
2(1+sinQ)/(1+sinQ)(cosQ)
2/cosQ. cancenlling 1+sinQ
2secQ (1/cosQ)=secQ
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