Senior Secondary School Mathematics FOR CLASS 11>Chapter 36 - Trigonometry>EXERCISE>Q 153

EASY

11th CBSE

IMPORTANT

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$(\sin^{2} α \cos^{2} β + \cos^{2} α \sin^{2} β + \sin^{2} α \sin^{2} β + \cos^{2} α \cos^{2} β)$ $= ?$

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Important Questions on Trigonometry

EASY

11th CBSE

IMPORTANT

Senior Secondary School Mathematics FOR CLASS 11>Chapter 36 - Trigonometry>EXERCISE>Q 154

If

x

is acute, then

\sqrt{\frac{1 + \sin x}{1 - \sin x}} = ?

EASY

11th CBSE

IMPORTANT

Senior Secondary School Mathematics FOR CLASS 11>Chapter 36 - Trigonometry>EXERCISE>Q 155

(\sec θ - \cos θ) (cosec θ - \sin θ) (\cot θ + \tan θ) = ?

EASY

11th CBSE

IMPORTANT

Senior Secondary School Mathematics FOR CLASS 11>Chapter 36 - Trigonometry>EXERCISE>Q 156

\sin θ (\frac{\sin θ}{1 + \cos θ} + \frac{1 + \cos θ}{\sin θ}) = ?

EASY

11th CBSE

IMPORTANT

Senior Secondary School Mathematics FOR CLASS 11>Chapter 36 - Trigonometry>EXERCISE>Q 157

(1 + \sin θ) (\frac{\sin θ + \cos θ - 1}{\sin θ - \cos θ + 1}) = ?

EASY

11th CBSE

IMPORTANT

Senior Secondary School Mathematics FOR CLASS 11>Chapter 36 - Trigonometry>EXERCISE>Q 158

\frac{(\cot θ - cosec θ + 1)}{(\cot θ + cosec θ - 1)} = ?

EASY

11th CBSE

IMPORTANT

Senior Secondary School Mathematics FOR CLASS 11>Chapter 36 - Trigonometry>EXERCISE>Q 159

{(\frac{\sec θ + \tan θ - 1}{\tan θ - \sec θ + 1})}^{2} = ?

EASY

11th CBSE

IMPORTANT

Senior Secondary School Mathematics FOR CLASS 11>Chapter 36 - Trigonometry>EXERCISE>Q 160

If

x = r \cos α \cos β, y = r \cos α \sin β

and

z = r \sin α

, then

x^{2} + y^{2} + z^{2} = ?

EASY

11th CBSE

IMPORTANT

Senior Secondary School Mathematics FOR CLASS 11>Chapter 36 - Trigonometry>EXERCISE>Q 161

If

a \tan θ = b

, then

(\frac{b \sin θ - a \cos θ}{b \sin θ + a \cos θ}) = ?