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