cos90°sin 0°-sin 0° cos 90°
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hi mate here's your answer
because
cos 90°= 0
sin0° = 0
0× anything is zero only.....
because
cos 90°= 0
sin0° = 0
0× anything is zero only.....
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Answered by
2
Solution=>
cos90°sin0°-sin0°cos90°
0×0=0×0
0=Answer
<=>identities<=>
1)sin0°=0
2)cos90°=0
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