Math, asked by maratherangita580, 8 months ago

It sin a =1/2find
2 cos a

Answers

Answered by abirmollah357

0

Answer:

cos thita 2sin thita

Step-by-step explanation:

i am not sure

Answered by bhowmik2018piu

0

Step-by-step explanation:

sin a =1/2

sin a= sin 1/2

sin a= sin 30°

a= 30°

2 cos a

= 2cos30°

= 2* √3/2

= √3

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