If Cos A+ cos²A = 1 then Sin2 A + Sint A=
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Answer:
cosA + sinA
Step-by-step explanation:
cos A + cos^2A=1
cos A= 1-cos^2A
using (cos^2A+sin^2A=1)
cosA=sin^2A..........(1)
sin^2A + sinA
using (1)
=cosA+sinA
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