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Maths CBSE Live product
Class 10 (2026-27)
Introduction to Trigonometry
Trigonometric identities
1.
TBQ - Choose the correct option
Question:
1
m.
Identify
the
suitable
option.
\(7 sec^2 A – 7 tan^2 A=\)
\(0\)
\(-1\)
7
\(1\)
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