Answer: 40
Step-by-step explanation:
Answer: 15
first find 1% of 48
it will be 48/100 = 0.48
now to find 29% multiply 1% with 29
it will 29*(.48) = 13.92
most close to 14. Also Close to 15.
That's all easiest way to solve such question.
On 3 add 8 5/6 and 8 1/2 then subtract the answer from 24 1/3.
Answer:
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Step-by-step explanation:
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Answer:
See proof below
Step-by-step explanation:
show that
sinx/1+cosx=tanx/2
From LHS
sinx/1+cosx
According to half angle
sinx = 2sinx/2 cosx/2
cosx = cos²x/2 - sin²x/2
cosx = cos²x/2 - (1- cos²x/2)
cosx = 2cos²x/2 - 1
cos x + 1 = 2cos²x/2
Substitute into the expression;
sinx/1+cosx
= (2sinx/2 cosx/2)/2cos²x/2
= sinx.2/cos x/2
Since tan x = sinx/cosx
Hence sinx/2/cos x/2 = tan x/2 (RHS)
This shows that sinx/1+cosx=tanx/2
