Question
If tan 3.5θ x tan 6.5θ = 1 then the value of
tan 5θ isSolution
We know that ,If tanA ` ` tanB = 1 then A & B are complementary angles it means
A + B = 90Λ
As it is given by tan 3.5θ . tan 6.5θ = 1
so 3.5θ+6.5θ = 90Λ
or 10θ = 90Λ
So θ = 9Λ
Hence tan 5θ = tan (5 x 9Λ) = tan 45Λ = 1
More Trigonometry Questions
15.99% of 549.99 Γ· 11.17 = ? Γ· 20.15
74.91% of 639.95 β 599.98% of 45 + 119.987 = ?
(4.88 Γ 5.76)2 - ?2 = 39.89 Γ 19.86
- What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)
- What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exactvalue.)
(1800.23 Γ· 29.98) + (816.32 Γ· 23.9) + 1634.11 = ?
1449.98 Γ· 50.48 Γ 10.12 = ? Γ 2.16
36.05 Γ 5.02 + 12.052 = ? + 9.09 Γ 4.04Β
(31.9)3 + (34.021)Β² - (16.11)3 - (42.98)Β² = ?
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