sin30/cos45+cot45/sec60-sin60/tan45+cos30/sin90
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Hello!
= 1/2 ( 1 /√2 ) + 1 / ( 2 ) - (√3 / 2 ) / ( 1 ) - (√3 / 2 ) / 1
= (√2 / 2 ) + 1 / 2+ (- √3 / 2 ) - (√3 / 2)
= [√2 / 2 + 1 / 2 - 2√3] / 2
= [√2 + 1 - 2√3 ] / 2
= [ 1 + √2 - 2√3 ] / 2
∴ The required answer is [ 1 + √2 - 2√3 ] / 2
Cheers!
= 1/2 ( 1 /√2 ) + 1 / ( 2 ) - (√3 / 2 ) / ( 1 ) - (√3 / 2 ) / 1
= (√2 / 2 ) + 1 / 2+ (- √3 / 2 ) - (√3 / 2)
= [√2 / 2 + 1 / 2 - 2√3] / 2
= [√2 + 1 - 2√3 ] / 2
= [ 1 + √2 - 2√3 ] / 2
∴ The required answer is [ 1 + √2 - 2√3 ] / 2
Cheers!
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