已知α是锐角,且sin(α+15°)=√3/2.计算√8-4cosα-(π-3.14)^0+tanα+(1/3)^-1的值

已知α是锐角,且sin(α+15°)=√3/2.计算√8-4cosα-(π-3.14)^0+tanα+(1/3)^-1的值
已知α是锐角,且sin(α+15°)=√3/2.计算√8-4cosα-(π-3.14)^0+tanα+(1/3)^-1的值

已知α是锐角,且sin(α+15°)=√3/2.计算√8-4cosα-(π-3.14)^0+tanα+(1/3)^-1的值
sin(α+15°)=√3/2 且 α是锐角
α+15°=60°
α=45°
√8-4cosα-(π-3.14)^0+tanα+(1/3)^(-1)
=√8-4cosα-1+tanα+3
=tanα-4cosα+√8+2
=1-2√2+2√2+2
=3