Cosecant in terms of cosine
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We know that,
sin²A + cos²A = 1
sin²A = 1 - cos²A
sin A = √1-cos²A
Cosec A = 1/sin A
= 1/√1-cos²A
Hope I helps
sin²A + cos²A = 1
sin²A = 1 - cos²A
sin A = √1-cos²A
Cosec A = 1/sin A
= 1/√1-cos²A
Hope I helps
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