Question

tan 10+tan 35 - 1 =​

Answer 1

Step-by-step explanation:

Tan 10= 1

tan 35-1= tan 5*tan7 -1

= 0.6990 *0.8451 -1

tan 1 = 0

tan 10 + tan 35 -1 = 1 + (0.6990 *0.8451) -1

= 1 + 0.5907249 -1

= 0.5907249