Find the value of 2 Sin45° - 1.
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Step-by-step explanation:
given 2 sin 45°-1 as sin 45°=1/√2
=2×1/√2-1
=2/√2-1
taking lcm
=2-√2/√2
taking √2 common
=√2(√2-1)/√2
cancelling √2
=√2-1
√2-1 is the required answer
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