What is sin(2cos^{-7}(7x)) ?

The solution to sin(2cos^{-7}(7x)) is sin(2sec^7(7x))

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simplify sin(2cos^{-7}(7x))

simplify

sin (2 cos^{- 7} (7 x))

sin (2 sec^{7} (7 x))

Solution steps

sin (2 cos^{- 7} (7 x))

Multiply

2 cos^{- 7} (7 x) : \frac{2}{cos ^{7} ( 7 x )}

= sin (\frac{2}{cos ^{7} ( 7 x )})

Use the basic trigonometric identity:

\frac{1}{cos ( x )} = sec (x)

= sin (2 sec^{7} (7 x))

sin (2 x - \frac{π}{3})

sin (arctan (\frac{L}{a}))

sin (- x) csc (x) tan (- x)

sin (\frac{7}{2} π - x)

3 cos (2 π + \frac{2 π}{3}) n

What is sin(2cos^{-7}(7x)) ?
The solution to sin(2cos^{-7}(7x)) is sin(2sec^7(7x))