Secondary School Mathematics for Class 10>Chapter 13 - Trigonometric Identities>MULTIPLE-CHOICE QUESTIONS (MCQ)>Q 11

EASY

10th CBSE

IMPORTANT

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If $A$ and $B$ are acute angles such that $\sin A = \cos B$ then $(A + B) =$ ?

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Important Questions on Trigonometric Identities

EASY

10th CBSE

IMPORTANT

Secondary School Mathematics for Class 10>Chapter 13 - Trigonometric Identities>MULTIPLE-CHOICE QUESTIONS (MCQ)>Q 12

If

\cos (α + β) = 0

then

\sin (α - β) =

?

EASY

10th CBSE

IMPORTANT

Secondary School Mathematics for Class 10>Chapter 13 - Trigonometric Identities>MULTIPLE-CHOICE QUESTIONS (MCQ)>Q 13

\sin (45 ° + θ) - \cos (45 ° - θ) =

EASY

10th CBSE

IMPORTANT

Secondary School Mathematics for Class 10>Chapter 13 - Trigonometric Identities>MULTIPLE-CHOICE QUESTIONS (MCQ)>Q 14

\sec^{2} 10 ° - \cot^{2} 80 ° =

EASY

10th CBSE

IMPORTANT

Secondary School Mathematics for Class 10>Chapter 13 - Trigonometric Identities>MULTIPLE-CHOICE QUESTIONS (MCQ)>Q 15

{cosec}^{2} 57 ° - \tan^{2} 33 ° =

EASY

10th CBSE

IMPORTANT

Secondary School Mathematics for Class 10>Chapter 13 - Trigonometric Identities>MULTIPLE-CHOICE QUESTIONS (MCQ)>Q 16

\frac{2 \tan^{2} 30 ° \sec^{2} 52 ° \sin^{2} 38 °}{{cosec}^{2} 70 ° - \tan^{2} 20 °} =

?

EASY

10th CBSE

IMPORTANT

Secondary School Mathematics for Class 10>Chapter 13 - Trigonometric Identities>MULTIPLE-CHOICE QUESTIONS (MCQ)>Q 17

\{\frac{\sin^{2} 22 ° + \sin^{2} 68 °}{\cos^{2} 22 ° + \cos^{2} 68 °} + \sin^{2} 63 ° + \cos 63 ° \sin 27 °\} =

?

EASY

10th CBSE

IMPORTANT

Secondary School Mathematics for Class 10>Chapter 13 - Trigonometric Identities>MULTIPLE-CHOICE QUESTIONS (MCQ)>Q 18

\frac{\cot (90 ° - θ) . \sin (90 ° - θ)}{\sin θ} + \frac{\cot 40 °}{\tan 50 °} - (\cos 20 ° + \cos^{2} 70 °) = ?

EASY

10th CBSE

IMPORTANT

Secondary School Mathematics for Class 10>Chapter 13 - Trigonometric Identities>MULTIPLE-CHOICE QUESTIONS (MCQ)>Q 19

\frac{\cos 38 ° \cos e c 52 °}{\tan 18 ° \tan 35 ° \tan 60 ° \tan 72 ° \tan 55 °} =

?