File: /var/www/content-sp/wiris-cache/0952723c8b60594cd410bd19909ba47e.png
�PNG
IHDR � . j x pHYs � ��+ baSE C�Y �IDATx��o� W����ʇ!"֊X""VT�UQ!*""BU>T�KU�C�[EU?����(�jŪk���X�!*��L���˛Ng��;�fg~?��潙�s�=��?g� `LT�Vn[yc�g呕�lʸ��3+KVnXق� ��#���Q+�c�f����q+�P= �kG4feU ���:syc��c.'1�|��c�_v�����~K ��k�E� ���V�8~��� }ke� ;��(�I��� ʹ�̄��Z{� ��#3����`�X�RZ���s�1�VvQ5 ��#+ � �|~gB�%��+�
X�ee7��^#��vP�5��2�[�he��Κ Q�^�<Ν2��+ h9��r�4S� �\+�*×�W�#z��0Q��У���UQg�R�#��G �JY��4�����S�V�(gL�rXQG$���u�X$�ቕS�s%�++W0Op5�M� �U�H(��\3z��
�$\��~D �鯵�������$�Y+�M��?��+'
�S �M�c{��_�YG���v�v|[��*Gt��z*��;��o6�h�&��]��8"�S+�#V������M<CZ�y�:�X�%��;�e��{���i�l
�N��憷�&��l^ѹ�Y�l��Z���t餟�_�n,x y]R�}��Z���'j|^�m�]�!n���Ɔ��2�P��@� uQ ɗ�B����s���=W�䞃t#�9ep� ���wP=]�V}��\���m� �]qDg��e��
�b�������OV��<[|�L:lAf���7��l�ɮ��O��/
ճ {��݊�O�r .;p�gW|� � �;�F+gDU�Ic1v~ܡ�p!�@�j��!+��t^u���o��s.]/h�3�}�㎆���r� �w�
<���>���K��Rt�S�UE|:�3 g�f ��}o�2~b廚�M��'}Q������[
�^���̌h�:�Ayw��8"�� Y���n�\7�q��A�zY�{b��2Y bZ����o�Ӭ��'R �Z茪ζ��>��lD�*Q��e��F�`b��j�#�I_��K&}���w�z�ﯛ�� ����Rʯ)F���H��c��e� ���'�����15ȵ��ꞩId��=W����O3�R�v�Q ճO��P=/{�Y�~�H��'��7�Gp��e��}�8�Lzp�|~d�QoYeK� �o(�� �(��U=Өji��{�IJWY���~B��虀��gu�/
��j
��� D����T� Q^`�d�����::�3 e�\�aygJ
轒�$���
lS�q,1� �#z9����W � G���Y�B��K����|�Q� ��d��t ���:M����L��y�d��
�RU���5}���M �K��* �ES� ъg�u�r��G��>�e>z����^��S��H��� Dۘ�%6d�������0�W�%ד9� ��������~�:���Ȥ~���v��!�[�XȰ\W�����%˘M��3�-:�]6�E ��O�<���8n���P��eL �����X��#
z֬�E�z�(�ߴ�H{�������T��tP�W=f����Lӱ>�q>�rT�K��\c^+'�=�k�� �1��<�N��&*ݧ�*��"�=m���d)�@C��n-���˲��eF˰� ��S������^m��:c?�#��k\�B�,�^�M� �0;�I�� ��� å��v�Ǭ6f�Y.�= :�*t�� ��6�>|����}4�^�4�{�a�-��u����#����GP#2�D
�g�q�n\�3
�� merH�r7 @����V&��+w# t � merH�r7 @����V&ݕ� ����
G4 �� �-Y9ڪtDQg ����)㈒� ޒ���*G��� :�O�����'w# �ÿ<[c(
�� �tEXtMathML <math xmlns="http://www.w3.org/1998/Math/MathML"><mi>If</mi><mi mathvariant="normal"> </mi><mi>in</mi><mi mathvariant="normal"> </mi><mo>∆</mo><mi mathvariant="normal"> </mi><mi>ABC</mi><mo>,</mo><mi mathvariant="normal"> </mi><mn>2</mn><mi mathvariant="normal"> </mi><msup><mi mathvariant="normal">b</mi><mn>2</mn></msup><mi mathvariant="normal"> </mi><mo>=</mo><mi mathvariant="normal"> </mi><msup><mi mathvariant="normal">a</mi><mn>2</mn></msup><mo>+</mo><msup><mi mathvariant="normal">c</mi><mn>2</mn></msup><mo>,</mo><mi mathvariant="normal"> </mi><mi>then</mi><mfrac><mrow><mi>sin</mi><mn>3</mn><mi mathvariant="normal">B</mi></mrow><mi>sinB</mi></mfrac><mi mathvariant="normal"> </mi><mi>is</mi><mi mathvariant="normal"> </mi><mi>equal</mi><mi mathvariant="normal"> </mi><mi>to</mi><mo>_</mo><mo>_</mo><mo>_</mo><mo>_</mo><mo>_</mo></math>N/k IEND�B`�