Question

sin^2 15°+sin^2 30°+sin^2 45°+sin^2 60°+sin^2 75° is​

Answer 1

Answer:

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Answer 2

Answer:

simple guy

Some other answers have described methods for extracting from this expression a single digit, but I ask you what is wrong with sin2(15)+sin2(645)

sin

2

⁡

(

15

)

+

sin

2

⁡

(

645

)

. I mean, this expression itself is a number by all reasonable definitions of the word.

Step-by-step explanation: