Answer:
Heyy
Step-by-step explanation:
△ABC is a right angled triangle and right angle at B
sinA=
AC
BC
, cosA=
AB
⟹sinA+cosA=
+
=
BC+AB
[We know that sum of two sides of a triangle is greater than the third side]
⟹sinA+cosA>
=1
Hence, sinA+cosA>1
a
(-1,-5)
Solve by substitution
