sin - cos = 1/2. find 1/ sin+cos
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Answer:
1/2
Step-by-step explanation:
sin - cos = 1/2
(sin - cos ) * sin + cos /sin + cos = 1/2
sin^2 - cos^2 / sin + cos = 1/2
sin^2 = 1 + cos^2
1 + cos^2 - cos^2/sin + cos = 1/2
1 / sin + cos = 1/2
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