Question

Could someone help me with the following problem:
cot x sin x - sin(pi/2 - x) + cos x
A. cosx
B. sinx
C. 2sinx
D. 2cosx

Answer 1

Can someone just help me solve? I'm really confused.

Answer 2

well what do u think it is

Answer 3

@jdoherty

Answer 4

I'm not sure where to start...

Answer 5

well the ans is B or D out of thouse what do u think

Answer 6

D? I'm just not sure how to start the problem.

Answer 7

thats correct

Answer 8

Thanks

Answer 9

medal

Answer 10

@jdoherty

Answer 11

@jdoherty

Answer 12

thanks

Answer 13

Could you help me on another one? For sin(-11pi/12) would it be (-SqRt6 - SqRt2)/(4)

Answer 14

@slade

Answer 15

And could you explain how to find all the solutions to sinx = sqrt3/2 ?

Answer 16

@slade