Question

Sinsquare34Plus Sin Square 56Plus2 tan18Tan72-cotsquare30

Answer 1

Answer:

0

Step-by-step explanation:

sin^2(34)+sin^2(90-34)+2tan18×tan(90-18)-cot^2(30)

=={sin^2(34)+cos^2(34)}+2tan18×cot18-(root3)^2

== 1+2×1-3

==3-3

==0