x is an angle, if 180 > x > 90 and sinx = √2 / 4 what is the value of angle x

sin-1(√2 / 4 ) = 20.7•Looking at a sin graph this is also true at 180-20.7 = 159.3•x = 159.3•

MQ

Related Maths A Level answers

All answers ▸

Why does the equation x^2+y^2=r^2 form a circle in the Cartesian plane?


You deposit 500 pounds at time t=0. At t=5 years, you have 800 pounds. The amount of money you have in the bank can be modeled as V(t)=A*(1+r)^t, where r is the interest rate. Find A and the interest rate r. After how many years will you have 1200 pounds.


Rationalise the complex fraction: (8 + 6i)/(6 - 2i)


Given y= sqrt(x) + 4/sqrt(x) + 4 , find dy/dx when x=8 giving your answer in form Asqrt(2) where A is a rational number.