Math, asked by weirdgirl66, 1 year ago

hloo guys

plzzz explain this properly

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Answers

Answered by Sunil07
3
sin(90+x)=-sinx because of the second quadrant is sinx minus.see
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Sunil07: first question in x is π\6 and second( π\2 +π\3)
Answered by Mohan04
0
Hey Mate
your answer is here

given that
cos is +ve & sin is -ve
so,
this angle should be in 4th quardant

so,

theta = 2 pi - pi/4 = 7pi/4
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