Trigonometric Ratios of Some Specific Angles (Part 1) | Introduction to Trigonometry | CBSE | Class 10 | Math

Q6. If A,B,C are angles of a ∆ABC, show that sin (B + C ) / (2) = cos A / 2 .

This podcast is a part of a series for, CBSE Class 10 Maths. We recommend that you take a look at our YouTube channel, to enter this new world of virtual learning at its best. || Youtube: Shiksha Abhiyan || t.ly/dN9j8 ||

Q5. If A and B are acute angles such that sinA = cosB, prove that ( A + B) = 90°.

This podcast is a part of a series for, CBSE Class 10 Maths. We recommend that you take a look at our YouTube channel, to enter this new world of virtual learning at its best. || Youtube: Shiksha Abhiyan || t.ly/dN9j8 ||

Q4. If sin (θ + 34 ) = cos and (θ + 34 ) is acute show that θ = 28

This podcast is a part of a series for, CBSE Class 10 Maths. We recommend that you take a look at our YouTube channel, to enter this new world of virtual learning at its best. || Youtube: Shiksha Abhiyan || t.ly/dN9j8 ||

Q3. If sec5A = cosec(A - 30° ) , where 5A is an acute then find the value of A.

This podcast is a part of a series for, CBSE Class 10 Maths. We recommend that you take a look at our YouTube channel, to enter this new world of virtual learning at its best. || Youtube: Shiksha Abhiyan || t.ly/dN9j8 ||

Q2. If tan2A = cot( A - 21° ), where 2A is an acute angle then find the value of A.

This podcast is a part of a series for, CBSE Class 10 Maths. We recommend that you take a look at our YouTube channel, to enter this new world of virtual learning at its best. || Youtube: Shiksha Abhiyan || t.ly/dN9j8 ||