(sin60 °+ sin45°-sin90°)(cos30°+cos45°+cos0°)Evaluate it
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Step-by-step explanation:
(sin60 °+ sin45°-sin90°)(cos30°+cos45°+cos0°)
=> (√3/2 + 1/√2 - 1) (√3/2 + 1/√2 + 1)
=> (√3/2 + 1/√2)² - (1)²
=> 3/4 + 1/2 + 2(√3/2)(1/√2) - 1
=> 5/4 + 3/√2 - 1
=> 1/4 + 3/√2
=> 1/4 + 3√2/2
=> (1 + 6√2)/4
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