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Maths CBSE Live product
Class 10
Introduction to trigonometry
Annual Revision I - Introduction to trigonometry
5.
PYQ - Find the value
Question:
3
m.
1.
5
3
tan
2
45
°
−
sec
2
30
°
+
sin
2
45
°
\(=\)
The value of given expression is
2.
7
tan
60
°
.
sec
0
°
.
tan
45
°
1
−
sin
2
30
°
\(=\)
The value of given expression is
Answer variants:
\(0\)
\(1\)
28
3
3
\(\frac{1}{6}\)
\(\frac{\sqrt{5}}{2}\)
=
5
6
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