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Introduction to Trigonometry

Short Answer Type

91. Evaluate:

fraction numerator sin space 10 degree over denominator cos space 80 degree end fraction.

96 Views

92. Evaluate:

space fraction numerator tan space 19 degree over denominator cot space 71 degree end fraction

81 Views

93. Evaluate:

fraction numerator sec space 16 degree over denominator cosec space 74 degree end fraction

82 Views

94. Evaluate:
$space fraction numerator tan space 42 degree over denominator cot space 48 degree end fraction$

Solution not provided.
Ans. 1

107 Views

95. Evaluate:

fraction numerator cos space 38 degree over denominator sin space 52 degree end fraction

93 Views

96. Evaluate:

space space space open parentheses fraction numerator sin space 10 degree over denominator cos space 80 degree end fraction close parentheses squared plus open parentheses fraction numerator cos space 80 degree over denominator sin space 10 degree end fraction close parentheses squared

89 Views

97. Evaluate:

space space fraction numerator sec space 11 degree over denominator cosec space 79 degree end fraction

76 Views

98. Evaluate:

fraction numerator sin space 21 degree over denominator cos space 69 degree end fraction

91 Views

99. Evaluate:

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122 Views

100. Evaluate:

open parentheses fraction numerator sin space 27 degree over denominator cos space 63 degree end fraction close parentheses squared space minus space open parentheses fraction numerator cos space 63 degree over denominator sin space 27 degree end fraction close parentheses squared

93 Views