Prove that ( sin raise to 4 theta minus cos raise to 4 theta plus 1 ) cosec square theta equals 2
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(sin4x-cos4x +1)1/sin2x=2
(sin2x2-cox2x2)1/sin2x
(sin2x+cos2x)(sin2x-cos2x)1/sin2x
(1)(1-cos2x/sin2x)
sin2x/sin2x+1=2
(sin2x2-cox2x2)1/sin2x
(sin2x+cos2x)(sin2x-cos2x)1/sin2x
(1)(1-cos2x/sin2x)
sin2x/sin2x+1=2
mariammajoseph:
I am sorry could u please show all the steps ?? Thanks a lot
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