Question

find 45° into radian measure find signs of cos =400°

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Answer 1

Answer:

for the first part

answer:

360°= 2π radian

180°=π rad

90=π/2 rad

45°=π/4 rad

Step-by-step explanation:

so 45 ° = π/4 radian

sorry bro...not able to understand ur question further..please make it more clear..