\frac \operatorname tan 60 ^ \circ - \operatorname tan 3

1.	\frac \operatorname tan 60 ^ \circ - \operatorname tan 30 ^ \circ 1 %2B \operatorname tan 60 ^ \circ \cdot \operatorname tan 30 ^ \circ %2B \operatorname cos 60 ^ \circ \cdot \operatorname cos 30 ^ \circ %2B \operatorname sin 60 ^ \circ \cdot \operatorname sin 30 ^ \circ
Answer» tan60=√3 tan30=1/√3cos60=1/2 cos30=√3/2sin60=√3/2 sin30=1/2√3-1/√3/1+1+√3/21/2+√3/21/23-1/2√3+√3/4+√3/4=1/√3+2√3/4=1/√3+√3/22+3/2√3=5/2√3 bujhina

\frac \operatorname tan 60 ^ \circ - \operatorname tan 30 ^ \circ 1 %2B \operatorname tan 60 ^ \circ \cdot \operatorname tan 30 ^ \circ %2B \operatorname cos 60 ^ \circ \cdot \operatorname cos 30 ^ \circ %2B \operatorname sin 60 ^ \circ \cdot \operatorname sin 30 ^ \circ

Answer»

tan60=√3 tan30=1/√3cos60=1/2 cos30=√3/2sin60=√3/2 sin30=1/2√3-1/√3/1+1+√3/2*1/2+√3/2*1/23-1/2√3+√3/4+√3/4=1/√3+2√3/4=1/√3+√3/22+3/2√3=5/2√3

bujhina