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प्रश्न
If A and B are complementary angles, then
विकल्प
sin A = sin B
cos A = cos B
tan A = tan B
sec A = cosec B
उत्तर
Given: A and are B are complementary angles
Since `sec (90°-B)= cosec B`
therefore `A+B=90°`
⇒ `A=90°-B`
⇒ `sec (90°-B)`
⇒ `secA= cosec B`
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