Show that cos 32.cos 58-sin 32.sin58=0
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Cos32 cos(90-58 ) - sin32 sin(90-58
Cos32 Sin32 -Sin32 cos32
on subtracting we will get 0
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Answer:
Cos 32 =Sin( 90-32)
Sin58
Sin58.cos58-sin32=cos(90-32)
Cos58
Now
Sin58.cos58-cos58.sin58
Not cut sin58 with another sin58 and cos58 with another cos58
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