Question

Help plez->

Answer 1

u cans olve it using cosine formula

cos 60 = x/8
1/2 = x/8
or x = 4

Answer 2

???????

Answer 3

solution to ur 3rd question

Answer 4

what is the others

Answer 5

i can see only one question no. 3....if der r others pls resend or post

Answer 6

ok

Answer 7

http://mathworld.wolfram.com/Trigonometry.html
u first learn all d trigo functions like sin , cos, tan etc

Answer 8

so now u kow sin theta = perpendicular/hpotenuse n cos theta is base/hypotenuse