CBSE Class 11-science Maths Trigonometric Functions
- Show that sum of 9 Sin4 θ - 6 Sin6 θ and 9 Cos4 θ - 6 Cos6 θ remains constant for all values of θ.
- if sintita +costita =1/5 and 0≤thita
- Find the values of x for which it satisfies tanx = cot 5 x as well as sin 2x = cos 4x [x€ (-π/2,π/2)]
- Sin (90-thita)
- cosec x (sec x - 1) - cot x (1 - cos x) = tan x - sin x Prove the Following Identity.
- Find the value of sin (765o).
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