find the value of cos theta cos ( 90 degree minus theta bracket minus sin theta sin bracket 90degree minus theta bracket
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Answer:
Step-by-step explanation:
Cos∅ cos ( 90 - ∅ ) - sin∅ sin ( 90 - ∅ )
=> Sin∅ = cos ( 90 - ∅ )
=> Cos∅ = sin ( 90 - ∅ )
Cos∅ Sin∅ - Sin∅ Cos∅
= 0
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