Difference between revisions of "Activity-trigonometry problems"

Revision as of 08:20, 10 July 2014

=Problem-1=
Prove that ${\frac {1-\tan ^{2}A}{1+\tan ^{2}A}}=1-2{\sin ^{2}{A}}$
==Interpretation of the problem==

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-#TRIGNOMETRY
+='''Problem-1'''=<br>
+'''Prove that        <math>\frac{1-\tan^2 A}{1+\tan^2 A}=1-2{\sin^2{A}}</math>'''<br>
+=='''Interpretation of the problem'''==<br>