Introduction to Trigonometry
Prove that sinθcos2θ−cosecθ+ sinθ=0.
Connecting you to a tutor in 60 seconds.
Get answers to your doubts.
From the above figure, find the value of :sin B
If cotθ=815, find cosθ and cscθ.
If sec θ=513 and θ is acute, then (3+4tan θ)(4−3cot θ)= ?
Express 1+sinA1−sinA as sec A-tanA
If sec θ=817, verify that 4cos2θ−33−4sin2θ=1−3tan2θ3−tan2θ
If (axsinθ−bycosθ)=1 and (axcosθ+bysinθ)=1. Prove that a2x2+b2y2=2
Without using trigonometric tables, prove that:tan266o−cot224o=0
If sinA,cosA and tanA are in geometric progression, then cot6A−cot2A=........