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Start learning 50% faster. Sign in now`1/sqrt(12 + sqrt140) + 1/sqrt(8 - sqrt60) - 2/sqrt(10 - sqrt84)` `=1/sqrt((sqrt7)^2 + (sqrt5)^2+ 2sqrt35) + 1/sqrt((sqrt5)^2+ (sqrt3)^2- 2sqrt15) - 2 / sqrt((sqrt7)^2+ (sqrt3)^2- 2sqrt21)` = `1/sqrt((sqrt7+ sqrt5)^2) + 1/sqrt((sqrt5 - sqrt3)^2) - 2/sqrt((sqrt7 - sqrt3)^2)` =`1/(sqrt7+ sqrt5) + 1/(sqrt5 - sqrt3) - 2/(sqrt7 - sqrt3)` = `(sqrt7 - sqrt5)/2 + (sqrt5 + sqrt3)/2 - ((sqrt7+ sqrt3)/2)` = `(sqrt7 - sqrt5 + sqrt5 + sqrt3 - sqrt7 - sqrt3)/2` = 0
Sec A -Tan A = 1/16 then find the value of cot A =?
If sec 2A = sin2 60o + sec 60o - cos2 30 o , then find the value of (√3tan A + cot ...
If sec2 θ = 4, then find the value of sin2 θ + cosec (90 - θ) where 0o < θ < 90o.
...What is the value of [(tan 5θ + tan 3θ)/4 cos 4θ (tan 5θ – tan 3θ)]?
What is the value of 1/(1+tan 2θ ) + 1 / (1+cot 2 θ ) = ?
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If cot5A = tan(3A-14˚), find the value of A? Given that 5A and 3A-14˚ are acute angles.
