sin(90) - 2 cos(45) - sin(45)
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Answer:
Step-by-step explanation:
Put the values
= 1- (2× 1/√2) - (1/√2)
= (√2 -2-1)÷ √2
= (√2-3)÷ √2
Rationalize it then
You will get
= (√2-3)(√2)÷ 2
= (2-3√2)÷2
The required ans!
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