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Maths TNSB Mentoring
Class 10 Crash course
Trigonometry
Annual Revision VI
1.
Trigonometric identities
Question:
1
m.
tan
2
s
−
sin
2
s
\(=\)
tan
2
s
sin
s
tan
s
sin
s
tan
2
s
sin
2
s
tan
s
sin
2
s
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