Answer: D
Step-by-step explanation:
You add 7+8 then times 15*4=60 then you add any of the addition problem
Many people find this to be a complicated topic.
Please try to follow my steps as I solve the problem
and answer your question. I'll go slow.
The absolute value of any number is
the same number with a positive sign.
The absolute value of -91 is +91 .
The absolute value of +91 is +91 .
Was there anything there that you couldn't follow ?
- Now, we know cos(60°) =
. So put the value there.
Hence LHS = RHS [Proved]
Hope you could understand.
If you have any query, feel free to ask.
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