Grade 10Trigonometry
Tanθ×tan4θ=1,then find θ Repeat Tan theta× tan4 theta =1, then find the value of theta
2 Answers
Nisarg Chadha
TanQ=1/tan4Q(As tanQtan4Q=1TanQ=cot4Q (since cotA=1/tanA)TanQ=tan(90-4Q)(as tanA=tan(90-A))Q=90-4Q5Q=90Q=18
Harshad Parmar
TanQ = 1/tan4Q(As tanQ * tan4Q = 1)TanQ = cot4Q(since cotA = 1/tanA)so TanQ = Tan (90-4Q)(as tanA = tan(90-A)=> Q = 90-4Q=> 5Q = 90=> Q =18 …. Ans.
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