Answer:
Step-by-step explanation:
sin x=a+b
cos x=a-b
sin²x+cos²x=(a+b)²+(a-b)²=2a²+2b²
or 2a²+2b²=1
a²+b²=1/2 which is constant for all values of x
(ii)
No it is the right question
Answer:
a.
Step-by-step explanation:
Usually, we represent losses with negative numbers. Using that representation, a loss of $975 would be represented by the integer -975.
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The additive inverse of this number is also called its "opposite." It is found by changing the sign: additive inverse = +975.
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The sum of a number and its additive inverse is zero. The opposite of a loss is a gain. The value +975 represents the gain (the investment's earnings) that would bring the net change in investment value back to zero.
So 2/3^4 is just 2/3 multiplied by its self four times. When multiplying fractions you multiple straight across the numerator and denominator so 2x2x2x2=16 and 3x3x3x3=81 and you get 16/81
Answer:
105
Step-by-step explanation: