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\frac 5 \operatorname sin ^ 2 30 ^ \circ %2B \operatorname cos ^ 2 45 ^ 11 %2B 4 \operatorname tan ^ 2 60 ^ \circ 2 \operatorname sin 30 ^ \circ \operatorname cos 60 ^ 4 %2B \operatorname tan 45 ^ \circ |
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Answer» 5sin^2 30° + cos^2 45° + 4tan^2 60° /2sin30°cos60°+ tan45° = 5(1/2)^2 + (1/√2)^2 + 4(√3)^2 /2(1/2)(1/2) + 1 = (5/4) + (1/2) + (12) /(1/2) + 1 = (5 + 2 + 48)/12 / (3/2) = (55/12)/(3/2) = 55/12*2/3= 55/18 |
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