Question

Change -47°30' into radian

Answer 1

Answer:

-0.25π

Step-by-step explanation:

-47°30'

here first of all we will have to convert that 30 ' into degree

∴ -47°+ 30 /60

∴-2820+30/60

∴-2790/60

=   -46.5°

now convert it into radian,

-46.5 *π/180

=   -0.25π

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