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The Origin of QWERTY
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Find out how the QWERTY keyboard that we use almost everywhere, originated.

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(21)
Unacademy user
is possible to can be write as cos 870
Vineet Loomba
2 months ago
yes you can
Pranav Garg
2 months ago
if we see this angles lie in the 3rd quardant
Vineet Loomba
2 months ago
dont see like tht....frst apply the formula of cos (-theta) and then lower the angle ...when angle comes less than 360 then see the quadrant
Pranav Garg
2 months ago
ok sir
Pranav Garg
a month ago
sir, I want solution
Pranav Garg
a month ago
of que
Pranav Garg
a month ago
cos^2A-sin^2A=tan^2B then prove that tan^2A=cos^2B-sin^2B
Vineet Loomba
a month ago
its not possible to solve questions in comment section here ..i cant use symbols. sorry
thanks mam....the ability to represent thing that you do is awesome. very nicely explained in a concise manner.
plzzzz tell in hindi because we can't understand English so plzzz try to give knowledgeable in hindi
Good morning mam ....thxnk u give me all information....
very much interesting information mam. Thank you so much
Dvorak: better than qwerty, cooler than qwerty.
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