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In each case, given below, find the value of angle A, where 0° ≤ A ≤ 90°.

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In each case, given below, find the value of angle A, where 0° ≤ A ≤ 90°.

(i) sin(90° - 3A).cosec42° = 1

(ii) cos(90° - A).sec77° = 1

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(i) sin(90° - 3A).cosec42° = 1

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