Math, asked by banothrahul, 12 hours ago

cos4π/8+cos23π/8+cos25π/8+cos47π/8=3/2

Answers

Answered by singhviraj445

0

Answer:

7

Step-by-step explanation:

Just simplify the terms that are given and remeber these all are odd multiples of π/2 which will have the same values after all.

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