CBSE Class 11-science - Introduction to Trigonometric Functions Videos
Fundamental trigonometric identities and related problems
Fundamental trigonometric identities and problems based on them. Sign Convention of trigonometric ratios in various quadrants.
- if cot 4θ+cot2θ=1 prove that sin4θ+ sin2θ =1
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clear this doubt
- If A+B+C=pi , then equality of equation (1/2)(cosA cosB + cosB cosC + cosC cosA) must hold: a) <= 3/2. b) >=(-3) c) <=3/8 d) >=(-1)
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Q10
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Solve question no-4
- If the value of cosec x repeats after an interval of 2,then what is the value of cosec(7/6)?
- Find the value of -cos(30)
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Pls solve.
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Pls solve
- What is trigonometry