Question

❌✖❌DON'T SPAM ❌✖❌

PLEASE say fastly!!!​

Answer 1

sin3a is equal to 3 sina-4sin3a

here

we should take sina as common

sina(3-4sin2a)

and

1+2cos2a is equal to 1+2(1-2sin2a)

and then

(3-4sin2a) will come and divide it

the we get sina

Answer 2

Step-by-step explanation:

so siso you also left me alone here (个_个)

hey siso please come back

please .....

I don't want my siso to leave me please

please don't leave

why my all siso leaving me alone here .....

I think you all forget me ......