Mr Daniels Maths
Trig: Cast

Easy

Medium

Difficult

Q1) Express the following Sin as an acute angle, Sin(435) =Sin(75)
Q1) Express the following Cos as an acute angle, Cos(-75) =Cos(75)
Q1) Express the the following Tan as an acute angle. Tan(270) =-Tan(90)
Q2) Express the following Sin as an acute angle, Sin(-255) =Sin(75)
Q2) Express the following Cos as an acute angle, Cos(-330) =Cos(30)
Q2) Express the the following Tan as an acute angle. Tan(495) =-Tan(45)
Q3) Express the following Sin as an acute angle, Sin(-285) =Sin(75)
Q3) Express the following Cos as an acute angle, Cos(-135) =-Cos(45)
Q3) Express the the following Tan as an acute angle. Tan(210) =Tan(30)
Q4) Express the following Sin as an acute angle, Sin(-150) =-Sin(30)
Q4) Express the following Cos as an acute angle, Cos(180) =-Cos(0)
Q4) Express the the following Tan as an acute angle. Tan(-330) =Tan(30)
Q5) Express the following Sin as an acute angle, Sin(-315) =Sin(45)
Q5) Express the following Cos as an acute angle, Cos(495) =-Cos(45)
Q5) Express the the following Tan as an acute angle. Tan(-90) =-Tan(90)