Tanx/sin^3xsecx+sinxcosx=1
Answers
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Step-by-step explanation:
cosx
sin
3
x
+sinxcosx
tanx
=
sin
3
x+sinxcos
2
x
tanx×cosx
=
sinx(sin
2
x+cos
2
x)
cosx
sinx
×cosx
=
sinx×1
sinx
=1
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