If α+ β= π/4, prove that: (cotα -1) (cotβ-1) =2.
ANSWER:
You need to know these following things to be able to solve such questions and get the value of given compound angles.
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If α+ β= π/4, prove that: (cotα -1) (cotβ-1) =2 | Prove | Trigonometric Ratios of Compound Angles | Trigonometry | Sci-Pi
You need to know these following things to be able to solve such questions and get the value of given compound angles.
 (cotβ-1) =2 | Prove | Trigonometric Ratios of Compound Angles | Trigonometry | Sci-Pi){kind=link}
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