Mathematics, 24.03.2021 06:00 iwannasleep
For positive acute angles A and B, it is known that cos A= 40/41 and sinB= 8/17. Find the value of cos(A-B)cos(A−B) in simplest form.
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Find the distance between the pair of points a(-1,8) and b(-8,4)
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1. ∠1 is complementary to ∠2 and ∠3 is complementary to ∠2. subtraction property of equality 2. m∠1 + m∠2 = 90 and m∠3 + m∠2 = 90 substitution 3. m∠1 + m∠2 = m∠3 + m∠2 definition of complementary 4. m∠1 = m∠3 given
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For positive acute angles A and B, it is known that cos A= 40/41 and sinB= 8/17. Find the value of c...
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