Trying to find the right answer to this..

Previous Year Papers

Download Solved Question Papers Free for Offline Practice and view Solutions Online.

Test Series

Take Zigya Full and Sectional Test Series. Time it out for real assessment and get your results instantly.

Test Yourself

Practice and master your preparation for a specific topic or chapter. Check you scores at the end of the test.

Introduction to Trigonometry

Short Answer Type

71. Evaluate:
sin 38° - cos 52°.

100 Views

72. Evaluate:
sin 25° - cos 65°

sin 25° - cos 65°.
= sin (90° - 65°) - cos 65°
= cos 65° - cos 65° = 0.

128 Views

73. Evaluate:
cot 34° - tan 56°

191 Views

74. Evaluate:
cosec25°-sec65°.

258 Views

75. Express cot 85° + cos 75° in terms of trigonometric ratios of angles between 0° and 45°.

144 Views

76. Express trigonometric ratio sin A in terms of cot A.

107 Views

77. Write the simplest value of

fraction numerator cos squared straight theta over denominator sinθ end fraction plus sinθ.

88 Views

78.

Evaluate: $fraction numerator 2 space sin squared 63 degree plus 1 plus 2 sin squared 27 degree over denominator 3 cos squared 17 degree minus 2 plus 3 cos squared 73 degree end fraction.$

101 Views

79. What is the maximum value of

space 1 over secθ ?

153 Views

80.

If $tanA space equals space 3 over 4$ and $straight A plus straight B space equals space 90 degree$ , then what is the value of cot B?

97 Views

Previous Year Papers

Test Series

Test Yourself

Short Answer Type

72. Evaluate:sin 25° - cos 65°

72. Evaluate:
sin 25° - cos 65°