If sin A – cos A = 0,
then the value of
sin A + cos* A is​

2 thoughts on “If sin A – cos A = 0,<br />then the value of<br />sin A + cos* A is​”

1. Answer:

   sinA – cosA = 0

   or, sinA = cosA

   or, sinA = sin(π/2 – A)

   or, A= π/2 – A

   or, 2 A = π/2

   A= π/4

   sinA+ cosA

   = sin(π/4)+cos(π/4)

   =1/√2 + 1/√2

   =2/√2

   √2

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2. Answer:

   sinA- cosA =0

   (90-A)=0

   A=90

   sin90+cos90

   = 1+0

   = 1

   Reply