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- Question 1, Exercise 9.1
- Question 2, Exercise 9.1
- Question 3, Exercise 9.1
- Question 4(i-iv), Exercise 9.1
- Question 4(v-viii), Exercise 9.1
- Question 5(i-v), Exercise 9.1
- Question 5(vi-x), Exercise 9.1
- Question 6, Exercise 9.1
- Question 7 & 8, Exercise 9.1
- Question 9, Exercise 9.1
- Question 10, Exercise 9.1
- Question 2 and 3,Review Exercise
- Question 4, Review Exercise
- Question 1,Review Exercise
- Question 2 and 3, Review Exercise
- Question 4, Review Exercise
- Question 5 and 6, Review Exercise
- Question 7, Review Exercise
- Question 8, Review Exercise
- Question 9, Review Exercise
- Question 10(i-v), Review Exercise
- Question 10(vi-x), Review Exercise
- Question 10(xi-xv), Review Exercise
Fulltext results:
- Question 3, Exercise 9.1
- tric Functions. This is unit of Model Textbook of Mathematics for Class XI published by National Book Fo... & -1\leq \cos 4x \leq 1 \,\, \forall \,\, x\in \mathbb{R} \\ \implies & -7\leq 7 \cos 4x \leq 7 \\ \end{align*} Thus domain $= ]-\infty, \infty[ = \mathbb{R}$ Range $=[-7,7]$. =====Question 3(ii)====... q \cos \frac{x}{3} \leq 1 \,\, \forall \,\, x\in \mathbb{R} \\ \end{align*} Thus domain $= ]-\infty, \in
- Question 1, Exercise 9.1
- tric Functions. This is unit of Model Textbook of Mathematics for Class XI published by National Book Fo... d minimum values of the trigonometric function: $\mathrm{y}=7+\frac{3}{5} \operatorname{Cos}(2 \theta-1)... \theta \leq 7 + \frac{3}{5}\] Now replacing \(\mathrm{y} = 7 + \frac{3}{5} \operatorname{Cos}(2\theta... heta\),\\ we can write: \[7 - \frac{3}{5} \leq \mathrm{y} \leq 7 + \frac{3}{5}\] Hence,\\ \begin
- Question 2, Exercise 9.1
- tric Functions. This is unit of Model Textbook of Mathematics for Class XI published by National Book Fo... \operatorname{Cos} \theta}$ ** Solution. ** {{ :math-11-nbf:sol:unit09:math-11-nbf-ex9-1-q2_ii_.png?400 |Graph of y}} **From the graph, we see that given $... to ==== <text align="left"><btn type="primary">[[math-11-nbf:sol:unit09:ex9-1-p1|< Question 1 ]]</btn><
- Question 5(i-v), Exercise 9.1
- tric Functions. This is unit of Model Textbook of Mathematics for Class XI published by National Book Fo... v)===== Draw the graph of each of the function: $\mathrm{y}=\operatorname{Cos} \frac{\mathrm{x}}{2}$ ** Solution. ** ====Go to ==== <text align="left"><btn type="primary">[[math-11-nbf:sol:unit09:ex9-1-p5|< Question 4(v-viii) ]
- Question 4(i-iv), Exercise 9.1
- tric Functions. This is unit of Model Textbook of Mathematics for Class XI published by National Book Fo... to ==== <text align="left"><btn type="primary">[[math-11-nbf:sol:unit09:ex9-1-p3|< Question 3 ]]</btn></text> <text align="right"><btn type="success">[[math-11-nbf:sol:unit09:ex9-1-p5|Question 4(v-viii) >]]
- Question 4(v-viii), Exercise 9.1
- tric Functions. This is unit of Model Textbook of Mathematics for Class XI published by National Book Fo... to ==== <text align="left"><btn type="primary">[[math-11-nbf:sol:unit09:ex9-1-p4|< Question 4(i-iv) ]]<... </text> <text align="right"><btn type="success">[[math-11-nbf:sol:unit09:ex9-1-p6|Question 5(i-v) >]]</b
- Question 5(vi-x), Exercise 9.1
- tric Functions. This is unit of Model Textbook of Mathematics for Class XI published by National Book Fo... to ==== <text align="left"><btn type="primary">[[math-11-nbf:sol:unit09:ex9-1-p6|< Question 5(i-v) ]]</... </text> <text align="right"><btn type="success">[[math-11-nbf:sol:unit09:ex9-1-p8|Question 6 >]]</btn></
- Question 6, Exercise 9.1
- tric Functions. This is unit of Model Textbook of Mathematics for Class XI published by National Book Fo... to ==== <text align="left"><btn type="primary">[[math-11-nbf:sol:unit09:ex9-1-p7|< Question 5(vi-x) ]]<... </text> <text align="right"><btn type="success">[[math-11-nbf:sol:unit09:ex9-1-p9|Question 7 & 8 >]]</bt
- Question 7 & 8, Exercise 9.1
- tric Functions. This is unit of Model Textbook of Mathematics for Class XI published by National Book Fo... to ==== <text align="left"><btn type="primary">[[math-11-nbf:sol:unit09:ex9-1-p8|< Question 6 ]]</btn></text> <text align="right"><btn type="success">[[math-11-nbf:sol:unit09:ex9-1-p10|Question 9 >]]</btn><
- Question 9, Exercise 9.1
- tric Functions. This is unit of Model Textbook of Mathematics for Class XI published by National Book Fo... to ==== <text align="left"><btn type="primary">[[math-11-nbf:sol:unit09:ex9-1-p9|< Question 7 & 8 ]]</b... </text> <text align="right"><btn type="success">[[math-11-nbf:sol:unit09:ex9-1-p11|Question 10 >]]</btn>
- Question 10, Exercise 9.1
- tric Functions. This is unit of Model Textbook of Mathematics for Class XI published by National Book Fo... ermine each of the following:\\ a. Period of $56 \mathrm{~Hz} A C$,\\ b. The value of $k$,\\ c. The ampl... to ==== <text align="left"><btn type="primary">[[math-11-nbf:sol:unit09:ex9-1-p10|< Question 9 ]]</btn>
- Question 2 and 3,Review Exercise
- tric Functions. This is unit of Model Textbook of Mathematics for Class XI published by National Book Fo... to ==== <text align="left"><btn type="primary">[[math-11-nbf:sol:unit09:Re-ex-p1|< Question 1 ]]</btn></text> <text align="right"><btn type="success">[[math-11-nbf:sol:unit09:Re-ex-1-p3|Question 4 >]]</btn>
- Question 4, Review Exercise
- tric Functions. This is unit of Model Textbook of Mathematics for Class XI published by National Book Fo... to ==== <text align="left"><btn type="primary">[[math-11-nbf:sol:unit09:Re-ex-p2|< Question 2 & 3 ]]</b... </text> <text align="right"><btn type="success">[[math-11-nbf:sol:unit09:Re-ex-p4|Question 5 & 6 >]]</bt
- Question 2 and 3, Review Exercise
- tric Functions. This is unit of Model Textbook of Mathematics for Class XI published by National Book Fo... to ==== <text align="left"><btn type="primary">[[math-11-nbf:sol:unit09:Re-ex-p1|< Question 1 ]]</btn></text> <text align="right"><btn type="success">[[math-11-nbf:sol:unit09:Re-ex-p3|Question 4 >]]</btn></
- Question 4, Review Exercise
- tric Functions. This is unit of Model Textbook of Mathematics for Class XI published by National Book Fo... to ==== <text align="left"><btn type="primary">[[math-11-nbf:sol:unit09:Re-ex-p2|< Question 2 & 3 ]]</b... </text> <text align="right"><btn type="success">[[math-11-nbf:sol:unit09:Re-ex-p4|Question 5 & 6 >]]</bt