Question -:
If ( 1 + tan θ ) ( 1+ ∅ ) = 2 then what is ( θ + ∅ ) ?
a . 30⁰
b. 45⁰
c. 60⁰
d. 90⁰
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If ( 1 + tan θ ) ( 1+ ∅ ) = 2 then what is ( θ + ∅ ) ?
a . 30⁰
b. 45⁰
c. 60⁰
d. 90⁰
Answer this question Don't Spam
Answers & Comments
Verified answer
Answer:
correct answer is b 45°
Step-by-step explanation:
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Answer:
(1 + tanθ)(1 + tan∅) = 2.
=> tanθ + tan∅ = 2 - 1.
=> tanθ + tan∅ = 1.
=> tan(θ + ∅) = tan(45°).