Answer:
sin
/4 * sin
/6 = 1/2 *(cos
/12 - cos 5
/12)
Step-by-step explanation:
Formula:- sinX sinY = (1/2) [ cos (X - Y) - cos (X + Y) ]
sin(π/4)sin(π/6)
= (1/2)[cos(π/4 - π/6) - cos(π/4 + π/6)]
= (1/2)[cos(3π/12 - 2π/12) - cos(3π/12 + 2π/12)]
= (1/2)[cos(π/12) - cos(5π/12)]
Answer:
i'd say it's x=6
Step-by-step explanation:
........
Y = 2 ( X - 3 ) ^ 2 - 4 =-4
Answer:
1
Step-by-step explanation:
1 1/3 All you do is 4-3 + 2/3-1/3= 1 1/3