Find the value of ( 1 + tan theta + sec theta ) ( 1 + cot theta - cosec theta )
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Step-by-step explanation:
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Step-by-step explanation:
(1+tanA+secA)(1+cotA-cosecA)
={(cosA+sinA+1)/cosA}{(sinA+cosA-1)/sinA}
=(cosA+sinA)²-1/sinAcosA
=cos²A+sin²A+2sinAcosA-1/sinAcosA
=2sinAcosA/sinAcosA
=2
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