Math, asked by ahnicroy1995, 6 months ago

evaluate : (sin^4 x - cos^4 x +1) cosec^2 x

Answers

Answered by devikbhatti2688

0

Answer:

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Answered by aashish200773

1

Answer:

$Correct option is B)</p><p></p><p>(sin4x−cos4x+1)cosec2x</p><p>=[(sin2x−cos2x)(sin2x+cos2x)+1]cosec2x</p><p>=(sin2x−cos2x+1)cosec2x</p><p>=2sin2xcosec2x=2</p><p></p><p>$

Step-by-step explanation:

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