Mathematics
Without using trigonometric tables, prove that:
sec 31° sin 59° + cos 31° cosec 59° = 2.
Related Questions
Without using trigonometric tables, prove that:
sec2 22° - cot2 68° = 1
Without using trigonometric tables, prove that:
sin 63° cos 27° + cos 63° sin 27° = 1
Without using trigonometric tables, prove that:
sec 70° sin 20° - cos 20° cosec 70° = 0
Without using trigonometric tables, prove that:
sin2 20° + sin2 70° - tan2 45° = 0.