sintheta cos(90^(@)-theta)+costhetasin(90-theta)=sin theta *sintheta+costheta*costheta= sin^(2)theta+cos^(2)theta=1.
The value of (sin theta ) /(cos (90^(@) -theta)) +(cos 43^(@))/(sin 47^(@))is ………. .
Solved 4. Express 2cosθ−sinθ in the form of Rcos(θ+α) where
Find the value of : sec²10° – cot²80° + sin 15°cos 75° +cos 15° sin 75°/cos θ sin(90°–θ)+sin θ cos(90°–θ).
Prove that : (sinthetacos(90^0-theta)costheta)/(sin(90^0-theta))+(cost
sin(90-theta)+cos theta =√2 cos (90-theta) for 0<theta<90 degrees.find the value of cosec theta
Trigonometrical Ratios Table, Trigonometric Standard Angles
Prove that:sin(90+theta )=costheta
Trigonometric Ratios of Complementary Angles
How to get values for sin (90° - θ), cos (90° - θ), sin (90° + θ), cos (90° + θ)?
prove cos(90-theta)sec (90-theta)tan theta ÷cosec (90-theta)sin (90-theta)cot (90-theta) + tan
Simplify Cos theta/sin(90-theta)+cos(90-theta)/sec(90-theta)-3tan square 30 degrees
Sin 90 Degrees I Formula and its Derivation I Sample Examples
