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prove that

1)sin square + cos square dived by sinsquare -cos square = 1

2) if the given eq is not equal to RHS then find value of LHS

 

Asked by futureisbright051101 21st February 2018, 7:19 PM
Answered by Expert
Answer:
begin mathsize 16px style fraction numerator sin squared straight x plus cos squared straight x over denominator sin squared straight x minus cos squared straight x end fraction
equals fraction numerator 1 over denominator sin squared straight x minus cos squared straight x end fraction
equals fraction numerator begin display style negative 1 end style over denominator begin display style cos squared straight x minus sin squared straight x end style end fraction
equals fraction numerator negative 1 over denominator cos begin display style 2 end style begin display style straight x end style end fraction
equals negative sec 2 straight x end style
Answered by Expert 22nd February 2018, 1:16 PM
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