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13 Nov 2019
Verify the identities
1.
(1+sinx)/(1-sinx)-(1-sinx)/(1+sinx)=4tanxsecx
2.
(1+cos2x)/(1+sinx)=2(1-sinx)
Verify the identities
1.
(1+sinx)/(1-sinx)-(1-sinx)/(1+sinx)=4tanxsecx
2.
(1+cos2x)/(1+sinx)=2(1-sinx)
Patrina SchowalterLv2
18 Mar 2019
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