Question:medium
If
\[
\sec\theta+\tan\theta=a
\]
then
\[
\sin\theta=
\]
If
\[
\sec\theta+\tan\theta=a
\]
then
\[
\sin\theta=
\]
Show Hint
Use \((\sec\theta+\tan\theta)(\sec\theta-\tan\theta)=1\) to simplify quickly.
Updated On: Jul 15, 2026
- \(\frac{a^2-1}{a^2+1}\)
- \(\frac{a^2+1}{a^2-1}\)
- \(\frac{a+1}{a-1}\)
- \(\frac{(a+1)^2}{(a-1)^2}\)
Show Solution
The Correct Option is A
Solution and Explanation
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