sin(180°+theta)?.............?
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Hey user !!
Here's the answer you are looking for
sin (180 + θ) lies in third quadrant and sine in third quadrant is negative.
So, sin (180 + θ) = - sin θ
★★ HOPE THAT HELPS ☺️ ★★
Here's the answer you are looking for
sin (180 + θ) lies in third quadrant and sine in third quadrant is negative.
So, sin (180 + θ) = - sin θ
★★ HOPE THAT HELPS ☺️ ★★
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cos(90- theta)
first we know that sin(180- theta) can be written as cos{90-(180- theta)}
where theta = 180-theta
first we know that sin(180- theta) can be written as cos{90-(180- theta)}
where theta = 180-theta
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