Answer:
B
Step-by-step explanation:
Using the trigonometric identities
• cscx = and secx =
Consider the left side
cscx sec x = × =
Consider the right side
2 csc2x = = =
left side = right side hence identity is verified
Step-by-step explanation:
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Given:
Length of the truck = 80 cm
Width of the truck = 60 cm
To find:
The longest walking stick that can be placed in the bottom of a truck.
Solution:
The longest walking stick that can be placed in the bottom of a truck is the diagonal of the truck.
We know that, the diagonal of a rectangle is:
Where, l is the length and w is the width.
Putting and , we get
Therefore, the length of the longest walking stick that can be placed in the bottom of a truck is 100 cm.
Answer: D
Step-by-step explanation:
Answer:
P = 499.2 Watt
Step-by-step explanation: