sec2x2tan2xSolutionsec2x2 sec2p tan2p 1 is an identity sec2p

sec^2x-2=tan^2x

Solution

sec2x-2

sec2p -tan2p =1 is an identity =>sec2p =1+tan2p

=>(1+tan2x)-2

=>tan2x-1

sec2x-2 =tan2x-1 is true

sec2x-2 =tan2x is not true

sec^2x-2=tan^2xSolutionsec2x-2 sec2p -tan2p =1 is an identity =>sec2p =1+tan2p =>(1+tan2x)-2 =>tan2x-1 sec2x-2 =tan2x-1 is true sec2x-2 =tan2x is not t

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