in triangle ABC, right angled at B, if tan A= 1/✓3 find the value of sin A cos C + cos A sin C Cos A cos C- sin A sin C
Answers
Answer:
In △ABC,
∠B=90
o
, tanA=
3
1
=
AB
BC
Let BC =1x,AB=
3
x
AC
2
=AB
2
+BC
2
AC
2
=(
3
x)
2
+(x)
2
=4x
2
AC=2x
Step-by-step explanation:
In △ABC,
∠B=90
o
, tanA=
3
1
=
AB
BC
Let BC =1x,AB=
3
x
AC
2
=AB
2
+BC
2
AC
2
=(
3
x)
2
+(x)
2
=4x
2
AC=2x
Step-by-step explanation:
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