Maths
This question was asked in Signs of sin, cos, tan in different quadrants

I think the table is wrong the sign of cos in 4th quadrant is negative

Shubhanshu Naik's image
Shubhanshu Naik
July 13, 2019, 10:47 p.m.

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Shubhanshu Naik's image
Shubhanshu Naik
July 13, 2019, 10:48 p.m.
Cos in 4th quadrant is positive
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