Math, asked by perkyakr30604, 3 months ago

cos 50+ cos 70 =
pls help me out

Answers

Answered by sk0327432

0

Answer:

1.59828523158

Step-by-step explanation:

cos 50 - cos 70 + cos 10 are given

then

cos 50 + cos 10 - cos 70

2cos (60/2).cos(40/2) - cos70

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