Solution
prove
Solution
Solution steps
Manipulating right side
Express with sin, cos
Use the basic trigonometric identity:
Simplify
Apply exponent rule:
Multiply
Multiply fractions:
Apply the fraction rule:
Join
Convert element to fraction:
Since the denominators are equal, combine the fractions:
Multiply:
Multiply
Multiply fractions:
Cancel the common factor:
Apply the fraction rule:
Rewrite using trig identities
Use the Double Angle identity:
Use the Pythagorean identity:
Apply rule
We showed that the two sides could take the same form
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Frequently Asked Questions (FAQ)
Is sin(2y)=(2tan(y))/(1+tan^2(y)) ?
The answer to whether sin(2y)=(2tan(y))/(1+tan^2(y)) is True