sin25π6+cos25π3+tan（-25π4）=．

Question

sin(25π)/(6)+cos(25π)/(3)+tan（-(25π)/(4)）=______．

Answer 1

sin(25π)/(6)+cos(25π)/(3)+tan（-(25π)/(4)）=sin(π)/(6)+cos(π)/(3)-tan(π)/(4)=(1)/(2)+(1)/(2)-1=0
故答案为0．