Answer:
The answer is d.
Step-by-step explanation:
As we know, sin x= cos (90°-x)
sin 18° = cos (90°-18°)
= cos 72°.
Similarly, sin 72°= cos (90°-72°)
= cos 18°
But, sin 55°= cos (90°-55°)
= cos 35°
Answer:
4w+3=19
4w=16
w=4
Step-by-step explanation:
Bottom right
The one with the dotted line and the shading on the left
Answer:
-1
Step-by-step explanation:
Answer:
13
Step-by-step explanation:
5-(-8)=13
