2) n triangle ABC, Angle B= 90,angle A= 40 a) What is the measured C b) Compare sinA and cosC c) Compare sin C and cosA d) Write the conclusion on comparing sin measure and cos measure of acute angle of a right triangle
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Answer:
Correct option is
B
greater than one
△ABC is a right angled triangle and right angle at B
sinA=
AC
BC
, cosA=
AC
AB
⟹sinA+cosA=
AC
BC
+
AC
AB
=
AC
BC+AB
[We know that sum of two sides of a triangle is greater than the third side]
⟹sinA+cosA>
AC
AC
=1
Hence, sinA+cosA>1
Step-by-step explanation:
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