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Evaluate (tan^2 60 + 4 cos^2 45 + 3 sec...

Evaluate ` (tan^2 60 + 4 cos^2 45 + 3 sec^2 30 + 5 cos^2 90)/(cosec 30 + sec 60 - cot^2 30)`

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Find the value of (Tan^2 60 + 4Sin^2 45 + 3 Sec^2 30 + 10Cos^2 90)/(Cosec^2 60 + Cos 60 - Cot^2 60)

Evaluate the following: tan^2 60^@ + 4 cos^2 45^@ + 3 sec^2 30^@ .

Evaluate the following: tan^2 60^@ + cot^2 45^@ - sin 30^@

Evaluate sin 60° cos 30° + sin 30° cos 60°

Evaluate the following: tan^2 60^@ + 2 tan^2 45^@ .

Find the value of tan 45^@ + cot 45 - sec 60^@

tan45^@/(cosec30^@)+sec60^@/(cot45^@)=

Prove that 4tan^2 45^o - cosec ^2 30^o + cos^2 30^o = 3/4

Evaluate the following: Cot^2 30^@ + 4 Sin^2 45^@ + 3 Cosec 60^@

Evaluate the following: Tan^2 30^@ + Cot^2 45^@ - Cos 60

VGS PUBLICATION-BRILLIANT-TRIGONOMETRY-EXERCISE
  1. Find the value of (sec 15^o/(cosec 75^o)) + (sin 72^o/cos 18^o) - (ta...

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  2. If cot O/ = 9/12 then find the value of (sin O/ + cos O/)/(sin O/ - ...

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  3. Evaluate (tan^2 60 + 4 cos^2 45 + 3 sec^2 30 + 5 cos^2 90)/(cosec 30 ...

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  4. If sin O//(1-cos O/) + sin O//(1+cosO/) = 4 (0^o < O/ < 90^o) then ...

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  5. Prove that (1+tan^2 O/) + (1+1/tan^2 O/) = 1/(sin^2 O/ - sin^4 O/)

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  6. If cotA=5/12 then sinA+cosA = ………………

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  7. Which of the following is not possible value for sin x …………

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  8. Which of the following in NOT defined?

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  9. If sinA=24/25then cotA

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  10. If sintheta=costheta (0^0< theta<90^0) then tantheta+cottheta = ……………

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  11. If sectheta+tantheta=3 then sectheta-tantheta = …………….

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  12. In triangleABCAB=c,BC=a,AC=b and angleBAC=theta then which is not the ...

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  13. The value of tantheta in terms of cosectheta is..........................

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  14. Observe the following: (I) sin^2 20^@+sin^2 70^@=1 (II) log2(sin90^@)=...

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  15. tan36^@.tan54^@+sin30^@=.......................

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  16. If sinA=24/25, then secA=....................

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  17. Which one of the following is NOT defined?

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  18. sqrt (1-cos^(2) A // 1+cot^(2) A )

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  19. If cottheta-cosectheta=p then cottheta+cosectheta=.................

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  20. tantheta in terms of costheta is...............................

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