Math, asked by devender10, 1 year ago

evaluate the following
(i) cos 195°

Answers

Answered by Anonymous

42

Cos 180 +15
= -cos 15
= -cos (60-45)
Apply formula we get
= -root3/2

devender10: Your solution was helpful thanks

Anonymous: Thqs..mark it as brainlest plzzz

devender10: okay

Anonymous: Tq bro

devender10: your welcome

devender10: can you answer some more questions

Answered by teacher247

1

Answer:

-√3/2 is the right answer

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