Solve the following equations for 0《X《360
A) tan^2x + 3 tax -4 = 0
B) 2sin^2x - sinx-1 = 0
Please help
Thankyou
These are just quadratic equations. You can factor them as follows:
(tanx + 4)(tanx - 1) = 0
(2sinx + 1)(sinx - 1) = 0
Now they are easy, right?