Introduction To Trigonometry
> Question
VSA
2 marks
Year: 2024
Easy
CBSE Class 10
trigonometry
standard-angles
evaluation
Question
Evaluate:
1
−
sin
2
60°
2
tan
30°
⋅
sec
60°
⋅
tan
45°
Solution
1
=
1
−
4
3
2
×
3
1
×
2
×
1
=
4
1
3
4
+1.5 marks
2
=
3
16
=
3
16
3
+0.5 marks
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