cos7π /12sin35π/12sin(π/4-α)+cos(π/4-α)

x��)�K�/6?ߠ�ohT��glz�
��2Lt�m��*�sl����t��m0.��v6��gd���j<[��i�v3mm�~O�� �kl�*�n�X��A�H(��T�� &@\M5Z !���<;�m���<]7��������٦���t?koz:qD�^,k|�����';;�d���%