Math, asked by sonisharma6177, 8 months ago

using the formula cos A is equals to root 1 + cos 2A upon 2 find the value of cos 30 it been giving that Cos 60 is equals to 1 upon 2

Answers

Answered by ritu16829

2

Answer:

hey mate ❤️❤️

plz refer to pic

hope it works ❤️❤️

plz mark it as brainliest answer

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Answered by pankajroy2

3

Answer:

see in attachment. .......

therefore cos30= root 3 /2

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