ladymipha ladymipha

14-08-2021
Mathematics

contestada

Can someone help with trig identities?
(calculators are allowed)

Can someone help with trig identities calculators are allowed class=

Respuesta :

ma5007482 ma5007482

14-08-2021

Answer:

d

Step-by-step explanation:

cosA^2 = 1 - sinA^2

subtitute 1/4 below

= 1 - (1/4)^2

= 1 - 1/16

after calculation

= - 0.9682

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