35. Cosine is negative and sine is negative. Thus we are in QIII. [imath]cos( \theta ) = \dfrac{x}{r}[/imath], [imath]sin( \theta ) = \dfrac{y}{r}[/imath], and [imath]x^2 + y^2 = r^2[/imath].I’m doing a review for my calculus class, and I remember learning this but forgot how to go about it. Any pointers for 35 and 36 would be great!View attachment 33804
Alternatively, draw triangles.I’m doing a review for my calculus class, and I remember learning this but forgot how to go about it. Any pointers for 35 and 36 would be great!View attachment 33804
Alternatively, use unit circle.I’m doing a review for my calculus class, and I remember learning this but forgot how to go about it. Any pointers for 35 and 36 would be great!View attachment 33804
Looks good to me.....View attachment 33805
Tried it this way, am I right?