What is the base in the expression 4 superscript 5? 4 5 9 20
2 answers:
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Option A:
Solution:
<u>To evaluate tan(105)°:</u>
105° can be written as sum of 60° and 45°.
tan(105)° = tan(45 + 60)°
Using the summation identity:
We know that, tan(45)° = 1 and tan(60)° = √3
Substitute this in the above equation.
To rationalize the denominator multiply by the conjugate .
Using exponent formula: and
Using exponent formula:
Hence option A is the correct answer.