tan^2 a - sin^2 a =

Asked by prashanshajain35 | 16th Sep, 2020, 02:20: PM

Expert Answer:

tan2a - sin2
equals fraction numerator sin squared a over denominator cos squared a end fraction minus sin squared a
equals sin squared a open parentheses fraction numerator 1 over denominator cos squared a end fraction minus 1 close parentheses
equals sin squared a open parentheses fraction numerator 1 minus cos squared a over denominator cos squared a end fraction close parentheses
equals sin squared a open parentheses fraction numerator sin squared a over denominator cos squared a end fraction close parentheses
equals fraction numerator sin to the power of 4 a over denominator cos squared a end fraction

Answered by Renu Varma | 18th Sep, 2020, 12:21: PM