Read the statements and choose the correct option.Statement I: Carbonic anhydrase catalyses the formation as well as dissociation of carbonic acid.Statement II: Carbonic anhydrase enzyme is present only in RBC.In the light of given statements, choose the correct answer from the options given below.

If <math><mrow><mi>cos</mi><mi>x</mi><mo>+</mo><mi>cos</mi><mi>y</mi><mo>=</mo><mfrac><mn>3</mn><mn>4</mn></mfrac></mrow></math><xml> </xml> and <math><mrow><mi>cos</mi><mtext> </mtext><mi>x</mi><mo>−</mo><mi>cos</mi><mtext> </mtext><mi>y</mi><mo>=</mo><mfrac><mn>2</mn><mn>5</mn></mfrac><mo>,</mo></mrow></math><xml> </xml>then <math><mrow><mfrac><mrow><mi>cot</mi><mrow><mo>(</mo><mrow><mfrac><mrow><mi>x</mi><mo>−</mo><mi>y</mi></mrow><mn>2</mn></mfrac></mrow><mo>)</mo></mrow></mrow><mrow><mi>tan</mi><mrow><mo>(</mo><mrow><mfrac><mrow><mi>x</mi><mo>+</mo><mi>y</mi></mrow><mn>2</mn></mfrac></mrow><mo>)</mo></mrow></mrow></mfrac><mo>=</mo></mrow></math><xml> </xml>

The value of 2 sin&nbsp;<math xmlns="http://www.w3.org/1998/Math/MathML"><mfenced><mrow><mn>12</mn><mo>°</mo></mrow></mfenced></math>&nbsp;<math xmlns="http://www.w3.org/1998/Math/MathML"><mo>-</mo></math>sin<math xmlns="http://www.w3.org/1998/Math/MathML"><mfenced><mrow><mn>72</mn><mo>°</mo></mrow></mfenced></math>&nbsp;is :

The value of cos150-cos 750+cos 1350

If <math><mrow><mfrac><mrow><mi>cos</mi><mi>x</mi></mrow><mi>a</mi></mfrac><mo>=</mo><mfrac><mrow><mi>cos</mi><mo>(</mo><mi>x</mi><mo>+</mo><mi>θ</mi><mo>)</mo></mrow><mi>b</mi></mfrac><mo>=</mo><mfrac><mrow><mi>cos</mi><mo>(</mo><mi>x</mi><mo>+</mo><mn>2</mn><mi>θ</mi><mo>)</mo></mrow><mi>c</mi></mfrac><mo>=</mo><mfrac><mrow><mi>cos</mi><mo>(</mo><mi>x</mi><mo>+</mo><mn>3</mn><mi>θ</mi><mo>)</mo></mrow><mi>d</mi></mfrac></mrow></math><xml> </xml>then  <math><mrow><mfrac><mrow><mi>a</mi><mo>+</mo><mi>c</mi></mrow><mrow><mi>b</mi><mo>+</mo><mi>d</mi></mrow></mfrac><mo>=</mo><mfrac><mi>k</mi><mi>c</mi></mfrac></mrow></math><xml> </xml>find the value of <math><mi>k</mi></math><xml> </xml>

Remember concepts with our Masterclasses.

Ready to Test Your Skills?

free study material