7. Using the formula tan (A+B) = tan A+tan B/1-tan A tanB
find the value of tan 75°.
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Answered by
2
Answer:
tan 75
= tan(45+30)
= tan 45 + tan 30/1-tan 45.tan 30
= 1 +1/√3 / 1-1/√3
=( 1+1/3+2/√3)/ 1-1/3
= 3+1+√3/3 /(2/3)
= (4+√3)/3 × 3/2
= (4+√3)/2
Step-by-step explanation:
Answered by
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Answer:
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Step-by-step explanation:
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