exam Maths Puzzle Numerical Ability

Add And Subtract Terms:

6.3X + 1.2Y- 3.2X+5.4 + 4.3Y

Read Solution (Total 0)

exam Other Question

5e=3e+36 this is trig identities, if you could please help me prove the following identity true

sin2x / 1-cos2x = 2csc2x-tan

i hope this reads clearly

the left side of the equation is sin2x over 1-cos2x