Question no. 5..plz hlp me
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cos theta = 1/2 , sin (fi) = 1/2
Theta = cos inverse (1/2)
we know that cos 60 = 1/2..Hence theta = 60
Similarly sin 30 = 1/2..Hence fi = 30
Theta+fi = 60+30 =90
Hope this helps
Theta = cos inverse (1/2)
we know that cos 60 = 1/2..Hence theta = 60
Similarly sin 30 = 1/2..Hence fi = 30
Theta+fi = 60+30 =90
Hope this helps
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