If y = sinx + cosx, then dy/dx at x=0 is
1
2.
(-1)
None of these
Answers
Answered by
1
Step-by-step explanation:
y=sinx
0
⇒
dx
dy
=cosx
0
×
180
π
z=cosx⇒
dx
dz
=−sinx
∴
dz
dy
=
−sinx
180
π
cosx
0
=−
180
π
cscxcosx
0
=−
180
π
cscxcos(
180
πx
)
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