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Q:

यदि $$ secθ+tanθ=2+\sqrt{5}$$,  है, तो $$ sinθ+cosθ$$  का मान है?

  • 1
    $$ 3\over{\sqrt{5}}$$
  • 2
    $$ {\sqrt{5}}$$
  • 3
    $$ 7\over{\sqrt{5}}$$
  • 4
    $$ 1\over{\sqrt{5}}$$
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Answer : 1. "$$ 3\over{\sqrt{5}}$$"

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