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ICSE Class 9 Answered

CosA=0.5 /cosB=1/√2 find value of TanA-TanB /1+TanATanB
Asked by ashwinipandey7355 | 03 Dec, 2019, 11:01: PM
Expert Answer
cosA=0.5 = 1/2  → A = 60°
 cosB=1/√2 → B = 45°
 
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