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A +B=45 ∘ Ontakingtanboth s i d e s , tan (A+B)=tan (45 ∘ ) tanA + tanB 1−tanA tanB = 1 tan A + tan B = 1 − tan Atan B tanA+tanB +tanAtanB = 1 --- (1) N o w , 2(1+tanA)(1+tanB ) =2(1+tanA+tanB+tanAtanB ) From the eq(1), =2(1+1) = 4
Find the simplified value of the following expression:
14.25 × 32 – 11.4 × 15 + 8 – 712 ÷ 8 + 34.15 × 20 – 27 × 21 = ?
...Simplify the following expression:
84367 + 65441 + 32645 – 21145 – 10769 = ?
Determine the simplified value of the given mathematical expression.
25% of 400 + 3 × 102 = ?2
140% of 75 + 152 - 160 = ?
22% of 400 + √ ? = 34% of 800 - 25% of 400
20.5 × 36 + 24 × 8 + ?2 = 1954
961 × 4 ÷ 31 – 15% of 180 = ? – 73
