Q. 3 C4.4( 5 Votes )

If two angles and are complementary angle, let us show that


Answer :

Given,



[ and ]




[cos α = cos(90 - β)]





[sin2θ + cos2θ = 1]



= 1


Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Related Videos
Quiz | Task on Trigonometric Ratios46 mins
T- Ratios of Specified Angles58 mins
Quiz on Trigonometric Ratios31 mins
Trigonometric Identities33 mins
Champ Quiz | Trigonometric Identities33 mins
Testing the T- Ratios of Specified Angles57 mins
NCERT | Trigonometric Identities52 mins
Trick to learn all Trigonometric Formulae28 mins
Quiz | Criterion of Similarity of Triangle45 mins
Nature of Roots of Quadratic EquationsFREE Class
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
view all courses