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Solve the equation (2 cos x) = (sin 2 x) , for 0 ≤ x ≤ 3π .

cos x = 0, sin x = 1, solved using trigonometric identities. 3(pi) means 3/2 times round a the circle, therefore using graphs answer is pi/2, 3(pi/2), 5(pi/2)
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Answered by Dhruv C. • Maths tutor
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Calculate 8^0

1, any number to the power of 0 is equal to 1
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Answered by Dhruv C. • Maths tutor
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What is the difference between sexual reproduction and asexual reproduction?

Sexual reproduction involves the fusing of 2 gametes (male and female). This results in a variety of offspring as the genetic information is mixed. Asexual reproduction requires only1 parent. Offspring are a...
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Answered by Catherine T. • Biology tutor
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What is an antibiotic and how does it work?

Antibiotics are drugs prescribed to people to fight bacterial infections. They work in the body to target specific bacteria that are circulating or found withing tissues, but cannot work within cells (for ex...
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Answered by Catherine T. • Biology tutor
7264 Views

Solve the simultaneous equations 5x+2y=11 and x-y=-2.

Simultaneous Equations are equations involving 2 or more unknowns that are to have the same value in each equation. The aim is to eliminate all except one unknown which will then allow us to find the value o...
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Answered by Peter H. • Maths tutor
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