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Maths
Physics
Chemistry
Biology
Class 7
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Physics
Chemistry
Biology
Class 8
Maths
Physics
Chemistry
Biology
Class 9
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Science
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Science
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Chemistry
Biology
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Class 10 Math Chapter List
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5. Introduction to Trigonometry
5. Introduction to Trigonometry
17 Maths Exercise Solutions
Ex.5.1(A)
Ex.5.2(A)
Ex.5.3(A)
Ex.5.4(A)
Ex.5.1(B)
Ex.5.2(B)
In
right angled at
Determine
Exercise5.1(A), Question No.1
In
right angled at
Determine
In a
right angled at
.Determine
Exercise5.1(A), Question No.2
In a
right angled at
.Determine
In figure, find
.
Exercise5.1(A), Question No.3
In figure, find
.
If
calculate
and
Exercise5.1(A), Question No.4
If
calculate
and
Given
find
and
Exercise5.1(A), Question No.5
Given
find
and
Given
, calculate all other trigonometric ratios.
Exercise5.1(A), Question No.6
Given
, calculate all other trigonometric ratios.
If
and
are acute angles such that
then, show that
Exercise5.1(A), Question No.7
If
and
are acute angles such that
then, show that
If
, evaluate :
Exercise5.1(A), Question No.8
If
, evaluate :
If
, evaluate
Exercise5.1(A), Question No.9
If
, evaluate
If
check whether
or not.
Exercise5.1(A), Question No.10
If
check whether
or not.
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