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2) Iftan (A+B) : vg andtan (A-B) -1. |
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Answer» tan(A+ B)=V3=tan 60°\•, A+B=60°, tan(A-B)=1/V3= Tan 30°= A-B=30°, A+B=60 A-B=30/2A=90;A=45°,B=15° A45;B15 by using trigonometry tan(A+B)=√3= tan 60°A+B= 60-----(1)tan(A-B)= 1/√3= tan 30°A-B= 30---(2)A+B= 60--(1)by adding 2A= 90A= 90/2= 45°A+B= 60°45+B= 60B= 60-45= 15° |
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