If Sin (∝ + β) = 1 and cos (∝ − β) = 1 where ∝ + β <90, then the value of ∝ and
β are respectively equal to
A. 60°
and 30°
B. 30°
and 60°
C. 90°and 0°
D. 45°
and 45°
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Step-by-step explanation:
Answer. (D)45 and 45
D 45 and 45
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