(sin 90° + cos 60° + cos 45º) (sin 30° + cos 0° - COS 45°) full steps please hurry
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check the attachment refer trigonometric table for values
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Sin 90= 1
cos 60=1/2
Cos 45=1/√2
Sin 30=1/2
Cos 0=1
(1+ 1/2+1/√2) (1/2+1-1/√2)
[(2+1+ √2)/2] [(1+2-√2)/2]
(3+√2)/2 x (3-√2)/2 { (a+b)(a-b)=a^2 - b^2}
(9- 2)/4
7/4
Step-by-step explanation:
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