Advertisements
Advertisements
Question
Write the value of `sin theta cos ( 90° - theta )+ cos theta sin ( 90° - theta )`.
Advertisements
Solution
`sin theta cos theta (90° - theta ) + cos theta sin ( 90° - theta)`
= ` sin theta sin theta + cos theta cos theta `
=` sin^2 theta + cos^2 theta `
= 1
shaalaa.com
Is there an error in this question or solution?
