If sinA+cosA=root 2 than find tanA +cotA.
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hence proved in this questions
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given
sinA+cosA = √2
squaring both sides
(sinA + cosA)² = 2
1+2sinAcosA = 2
2sinAcosA = 1
sinAcosA = 1/2
Now
tanA + cotA
=1/sinAcosA
=1/(1/2)
=2
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