ADNAN MUHAMMED

Grade 12,

If sin A is in 2nd quardrant then when we change it to cos A then will it be in -ve or +ve

If sin A is in 2nd quardrant then when we change it to cos A then will it be in -ve or +ve

Grade:11

1 Answers

Harsha
19 Points
6 years ago
(x,y)=(rcosA,rsinA) r^2=x^2+y^2. In second quadrant x0.This implies that cosA

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