Cosec2 67° - tan2 23° = 1 July 8, 2019 16 32 64 128 Cosec 67° – tan 23° = 1 Prove that cosec 2 67 tan 2 23 1 The value of cosec 2 67 tan 2 23 1 is Cosec sec cot Cosec a - sin a sec a - cos a
