Chapter: General Solutions of Trigonometric Equations
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cos@-sin@=1/√2
or, (cos@-sin@)^2=1/2
or, cos^2@+sin^2@-2sin@cos@=1/2
or, 1-sin2@=1/2
or, sin2@=1/2
or, 2@=sin-1 (1/2)
or, 2@= Π/6
or, @=Π/12
or, (cos@-sin@)^2=1/2
or, cos^2@+sin^2@-2sin@cos@=1/2
or, 1-sin2@=1/2
or, sin2@=1/2
or, 2@=sin-1 (1/2)
or, 2@= Π/6
or, @=Π/12
subhraghosh:
r the rosogollas and sweets popular in bengal?
r the rosogollas and sweets popular in bengal?
YA
Yes sis
exple r u fond of sweet??
i am not...
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RE NAAAAA
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