sin120°+tan150°×cos135°=?
Answers
Answered by
2
Answer:
Before answering you must know certain properties
sin(90+x)= cos x
tan(90+x)= -cot x
cos(90+x)= -sin x
Step-by-step explanation:
Now,
sin(90+30)+tan(90+60)*cos(90+45)
= √3/2+(-1/√3*-1√2)
=(√3/2+1/√6)
sampad2379:
answear is 3+√2/2√3
Just the form is different, the answer are apparently same try calculator and check if it's incorrect.
thanks
Np
Similar questions