sin 45 degree + cos 45 degree college square is equal to 2
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Answer:
sin 45 + cos 45 = 2
90 + 1 =2
91=2
91/2
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Step-by-step explanation:
(sin 45° + cos 45°)^2
=sin^2 45° + cos ^2 45° + 2(sin45°)(cos45°)
=(1/2^1/2)^2 + (1/2^1/2)^2 + 2(1/2^1/2)(1/2^1/2)
=1/2 + 1/2 + 2 × 1/2
=2/2 + 2/2
=1 + 1
= 2
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