Answer: First option.
Step-by-step explanation:
You need to remember the following Trigonometric Identity:
In this case, you can identify in the figure that:
Then you must substitute these values into :
Finally, you need to solve for "x" in order to find its value. This is:
Rounding the result to the nearest tenth, you get:
The factors of given expression are: -5 and 3/4
Step-by-step explanation:
Given equation is:
Making pairs for the mid-term 17x by factoring the product of co-efficient of 4x^2 and 15
Now
Hence,
The factors of given expression are: -5 and 3/4
Keywords: Quadratic equation, factors
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