(1+tan teeta +sec teeta )(1+cot teeta-cosec teeta
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Step-by-step explanation:
(1+tanθ+secθ)(1+cotθ-cosecθ)
(1+sinθ/cosθ+1/cosθ)(1+cosθ/sinθ-1/sinθ)
(cosθ+sinθ+1)(sinθ+cosθ-1)/(sinθcosθ)
(sinθ+cosθ)²-1²/(sinθcosθ)
(sin²θ+cos²θ+2sinθcosθ-1²/(sinθcosθ) sin²θ+cos²θ=1
(1+2sinθcosθ-1)/(sinθcosθ)
2sinθcosθ/sinθcosθ
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