Math, asked by examshelp, 8 days ago

please solve this fast

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Answered by ccsurvashi

0

Answer:

2

Step-by-step explanation:

(cos(90-43)/sin 43)^2 + (sin(90-18)/cos18)^2

= ( sin43/sin43)^2 + (cos18/cos18)^2

= 1+1 = 2

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