Math, asked by ronakverma9434, 8 months ago

Cos55.cos10 + sin55. Sin10

Answers

Answered by Anonymous
1

(sin55-cos55)/sin10

sin(90-35)-cos55/sin10

cos35-cos55/sin10

[-2sin(35+55/2).sin(35-55/2)]/sin10

[+2sin45.sin10]/sin10

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