Grade 12Trigonometry
If sino=sine-cose/sine+cose. Prove that 2cos2o=1+sin2e
If sino=sine-cose/sine+cose. Prove that 2cos2o=1+sin2e
1 Answer
Arun
Dear student
sin o = sine – cos e / sin e + cos e
sin o = (sin e – cos e)^2 / sin^2 e – cos ^2 e
sin o = 1 – sin 2e/ (-cos 2e)
now you can solve this further
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