Question

tan45-tan30÷1+tan45×tan30​

Answer 1

Answer:

tan 45=1,tan3o=1/√3,

1-1√3÷1+1×1/√3

√3-1/√3÷√3+1/√3

√3-1/√3×√3/√3+1

√3-1/√3+1

-1/1

=-1