Which of the following angles is greater? `theta_1=sin^(-1)(4/5)+sin^(-1)(1/3)ortheta_2=cos^(-1)(4/5)+cos^(-1)(1/3)`

Which of the following angles is greater ? theta_(1) = sin^(-1).(4)/(5) + sin^(-1).(1)/(3) and theta_(2) = cos^(-1).(4)/(5) + cos^(-1).(1)/(3)

Evaluate cos(sin^(-1)(4/5)+cos^(-1)(2/3))

Which of the following quantities is/are positive? "cos"(tan^(-1)(t a n4)) (b) "sin"(cot^(-1)(cot4)) "tan"(cos^(-1)(cos5)) (d) "cot"(sin^(-1)(sin4))

Prove that: sin^(-1)(-(4)/(5))=tan^(-1)(-(4)/(3))=co^(-1)(-(3)/(5))-pi

Find the principal values of the following : (i) sin^(-1)(sin.(5pi)/(3)) (ii) cos^(-1)cos((4pi)/(3)) (iii) cos [(pi)/(3) + cos^(-1) (-(1)/(2))]

Which of the following possible? 1)sin theta=2 2) cos theta=(17)/(5)3)tan theta=24)sec theta=(4)/(5)

sin ^ (- 1) (sin4) -cos ^ (- 1) cos5 =

If ((1+sin theta-cos theta))/((1+sin theta+cos theta))+((1+sin theta+cos theta))/((1+sin theta-cos theta))=4 , then which of the following values will be suitable for theta ? यदि ((1+sin theta-cos theta))/((1+sin theta+cos theta))+((1+sin theta+cos theta))/((1+sin theta-cos theta))=4 है, तो theta के लिए निम्नलिखित में से कौन सा मान उपयुक्त होगा?