americavillegas1 americavillegas1
  • 24-08-2021
  • Mathematics
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Please someone helppp

Please someone helppp class=

Respuesta :

ma5007482
ma5007482 ma5007482
  • 24-08-2021

Step-by-step explanation:

5)

sin2a=2sina.cosa

Subtitute values in formula:

sin2a=2(3/8)(5/8)

sin2a=30/64

6)

cos2∅=2cos²∅-1

=2(5/3)²-1

=2(25/9)-1

=50/9-1

=50-9/9

=41/9

Note:if you need to ask any question please let me know.

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